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Rev | Author | Line No. | Line |
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6588 | serge | 1 | #ifndef __LINUX_NODEMASK_H |
2 | #define __LINUX_NODEMASK_H |
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3 | |||
4 | /* |
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5 | * Nodemasks provide a bitmap suitable for representing the |
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6 | * set of Node's in a system, one bit position per Node number. |
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7 | * |
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8 | * See detailed comments in the file linux/bitmap.h describing the |
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9 | * data type on which these nodemasks are based. |
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10 | * |
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11 | * For details of nodemask_parse_user(), see bitmap_parse_user() in |
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12 | * lib/bitmap.c. For details of nodelist_parse(), see bitmap_parselist(), |
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13 | * also in bitmap.c. For details of node_remap(), see bitmap_bitremap in |
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14 | * lib/bitmap.c. For details of nodes_remap(), see bitmap_remap in |
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15 | * lib/bitmap.c. For details of nodes_onto(), see bitmap_onto in |
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16 | * lib/bitmap.c. For details of nodes_fold(), see bitmap_fold in |
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17 | * lib/bitmap.c. |
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18 | * |
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19 | * The available nodemask operations are: |
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20 | * |
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21 | * void node_set(node, mask) turn on bit 'node' in mask |
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22 | * void node_clear(node, mask) turn off bit 'node' in mask |
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23 | * void nodes_setall(mask) set all bits |
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24 | * void nodes_clear(mask) clear all bits |
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25 | * int node_isset(node, mask) true iff bit 'node' set in mask |
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26 | * int node_test_and_set(node, mask) test and set bit 'node' in mask |
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27 | * |
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28 | * void nodes_and(dst, src1, src2) dst = src1 & src2 [intersection] |
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29 | * void nodes_or(dst, src1, src2) dst = src1 | src2 [union] |
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30 | * void nodes_xor(dst, src1, src2) dst = src1 ^ src2 |
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31 | * void nodes_andnot(dst, src1, src2) dst = src1 & ~src2 |
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32 | * void nodes_complement(dst, src) dst = ~src |
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33 | * |
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34 | * int nodes_equal(mask1, mask2) Does mask1 == mask2? |
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35 | * int nodes_intersects(mask1, mask2) Do mask1 and mask2 intersect? |
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36 | * int nodes_subset(mask1, mask2) Is mask1 a subset of mask2? |
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37 | * int nodes_empty(mask) Is mask empty (no bits sets)? |
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38 | * int nodes_full(mask) Is mask full (all bits sets)? |
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39 | * int nodes_weight(mask) Hamming weight - number of set bits |
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40 | * |
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41 | * void nodes_shift_right(dst, src, n) Shift right |
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42 | * void nodes_shift_left(dst, src, n) Shift left |
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43 | * |
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44 | * int first_node(mask) Number lowest set bit, or MAX_NUMNODES |
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45 | * int next_node(node, mask) Next node past 'node', or MAX_NUMNODES |
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46 | * int first_unset_node(mask) First node not set in mask, or |
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47 | * MAX_NUMNODES. |
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48 | * |
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49 | * nodemask_t nodemask_of_node(node) Return nodemask with bit 'node' set |
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50 | * NODE_MASK_ALL Initializer - all bits set |
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51 | * NODE_MASK_NONE Initializer - no bits set |
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52 | * unsigned long *nodes_addr(mask) Array of unsigned long's in mask |
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53 | * |
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54 | * int nodemask_parse_user(ubuf, ulen, mask) Parse ascii string as nodemask |
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55 | * int nodelist_parse(buf, map) Parse ascii string as nodelist |
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56 | * int node_remap(oldbit, old, new) newbit = map(old, new)(oldbit) |
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57 | * void nodes_remap(dst, src, old, new) *dst = map(old, new)(src) |
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58 | * void nodes_onto(dst, orig, relmap) *dst = orig relative to relmap |
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59 | * void nodes_fold(dst, orig, sz) dst bits = orig bits mod sz |
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60 | * |
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61 | * for_each_node_mask(node, mask) for-loop node over mask |
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62 | * |
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63 | * int num_online_nodes() Number of online Nodes |
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64 | * int num_possible_nodes() Number of all possible Nodes |
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65 | * |
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66 | * int node_random(mask) Random node with set bit in mask |
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67 | * |
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68 | * int node_online(node) Is some node online? |
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69 | * int node_possible(node) Is some node possible? |
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70 | * |
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71 | * node_set_online(node) set bit 'node' in node_online_map |
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72 | * node_set_offline(node) clear bit 'node' in node_online_map |
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73 | * |
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74 | * for_each_node(node) for-loop node over node_possible_map |
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75 | * for_each_online_node(node) for-loop node over node_online_map |
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76 | * |
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77 | * Subtlety: |
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78 | * 1) The 'type-checked' form of node_isset() causes gcc (3.3.2, anyway) |
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79 | * to generate slightly worse code. So use a simple one-line #define |
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80 | * for node_isset(), instead of wrapping an inline inside a macro, the |
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81 | * way we do the other calls. |
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82 | * |
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83 | * NODEMASK_SCRATCH |
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84 | * When doing above logical AND, OR, XOR, Remap operations the callers tend to |
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85 | * need temporary nodemask_t's on the stack. But if NODES_SHIFT is large, |
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86 | * nodemask_t's consume too much stack space. NODEMASK_SCRATCH is a helper |
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87 | * for such situations. See below and CPUMASK_ALLOC also. |
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88 | */ |
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89 | |||
90 | #include |
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91 | #include |
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92 | #include |
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93 | #include |
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94 | |||
95 | typedef struct { DECLARE_BITMAP(bits, MAX_NUMNODES); } nodemask_t; |
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96 | extern nodemask_t _unused_nodemask_arg_; |
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97 | |||
98 | /** |
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99 | * nodemask_pr_args - printf args to output a nodemask |
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100 | * @maskp: nodemask to be printed |
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101 | * |
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102 | * Can be used to provide arguments for '%*pb[l]' when printing a nodemask. |
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103 | */ |
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104 | #define nodemask_pr_args(maskp) MAX_NUMNODES, (maskp)->bits |
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105 | |||
106 | /* |
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107 | * The inline keyword gives the compiler room to decide to inline, or |
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108 | * not inline a function as it sees best. However, as these functions |
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109 | * are called in both __init and non-__init functions, if they are not |
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110 | * inlined we will end up with a section mis-match error (of the type of |
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111 | * freeable items not being freed). So we must use __always_inline here |
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112 | * to fix the problem. If other functions in the future also end up in |
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113 | * this situation they will also need to be annotated as __always_inline |
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114 | */ |
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115 | #define node_set(node, dst) __node_set((node), &(dst)) |
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116 | static __always_inline void __node_set(int node, volatile nodemask_t *dstp) |
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117 | { |
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118 | set_bit(node, dstp->bits); |
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119 | } |
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120 | |||
121 | #define node_clear(node, dst) __node_clear((node), &(dst)) |
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122 | static inline void __node_clear(int node, volatile nodemask_t *dstp) |
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123 | { |
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124 | clear_bit(node, dstp->bits); |
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125 | } |
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126 | |||
127 | #define nodes_setall(dst) __nodes_setall(&(dst), MAX_NUMNODES) |
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128 | static inline void __nodes_setall(nodemask_t *dstp, unsigned int nbits) |
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129 | { |
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130 | bitmap_fill(dstp->bits, nbits); |
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131 | } |
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132 | |||
133 | #define nodes_clear(dst) __nodes_clear(&(dst), MAX_NUMNODES) |
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134 | static inline void __nodes_clear(nodemask_t *dstp, unsigned int nbits) |
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135 | { |
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136 | bitmap_zero(dstp->bits, nbits); |
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137 | } |
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138 | |||
139 | /* No static inline type checking - see Subtlety (1) above. */ |
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140 | #define node_isset(node, nodemask) test_bit((node), (nodemask).bits) |
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141 | |||
142 | #define node_test_and_set(node, nodemask) \ |
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143 | __node_test_and_set((node), &(nodemask)) |
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144 | static inline int __node_test_and_set(int node, nodemask_t *addr) |
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145 | { |
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146 | return test_and_set_bit(node, addr->bits); |
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147 | } |
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148 | |||
149 | #define nodes_and(dst, src1, src2) \ |
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150 | __nodes_and(&(dst), &(src1), &(src2), MAX_NUMNODES) |
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151 | static inline void __nodes_and(nodemask_t *dstp, const nodemask_t *src1p, |
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152 | const nodemask_t *src2p, unsigned int nbits) |
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153 | { |
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154 | bitmap_and(dstp->bits, src1p->bits, src2p->bits, nbits); |
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155 | } |
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156 | |||
157 | #define nodes_or(dst, src1, src2) \ |
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158 | __nodes_or(&(dst), &(src1), &(src2), MAX_NUMNODES) |
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159 | static inline void __nodes_or(nodemask_t *dstp, const nodemask_t *src1p, |
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160 | const nodemask_t *src2p, unsigned int nbits) |
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161 | { |
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162 | bitmap_or(dstp->bits, src1p->bits, src2p->bits, nbits); |
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163 | } |
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164 | |||
165 | #define nodes_xor(dst, src1, src2) \ |
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166 | __nodes_xor(&(dst), &(src1), &(src2), MAX_NUMNODES) |
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167 | static inline void __nodes_xor(nodemask_t *dstp, const nodemask_t *src1p, |
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168 | const nodemask_t *src2p, unsigned int nbits) |
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169 | { |
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170 | bitmap_xor(dstp->bits, src1p->bits, src2p->bits, nbits); |
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171 | } |
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172 | |||
173 | #define nodes_andnot(dst, src1, src2) \ |
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174 | __nodes_andnot(&(dst), &(src1), &(src2), MAX_NUMNODES) |
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175 | static inline void __nodes_andnot(nodemask_t *dstp, const nodemask_t *src1p, |
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176 | const nodemask_t *src2p, unsigned int nbits) |
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177 | { |
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178 | bitmap_andnot(dstp->bits, src1p->bits, src2p->bits, nbits); |
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179 | } |
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180 | |||
181 | #define nodes_complement(dst, src) \ |
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182 | __nodes_complement(&(dst), &(src), MAX_NUMNODES) |
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183 | static inline void __nodes_complement(nodemask_t *dstp, |
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184 | const nodemask_t *srcp, unsigned int nbits) |
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185 | { |
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186 | bitmap_complement(dstp->bits, srcp->bits, nbits); |
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187 | } |
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188 | |||
189 | #define nodes_equal(src1, src2) \ |
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190 | __nodes_equal(&(src1), &(src2), MAX_NUMNODES) |
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191 | static inline int __nodes_equal(const nodemask_t *src1p, |
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192 | const nodemask_t *src2p, unsigned int nbits) |
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193 | { |
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194 | return bitmap_equal(src1p->bits, src2p->bits, nbits); |
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195 | } |
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196 | |||
197 | #define nodes_intersects(src1, src2) \ |
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198 | __nodes_intersects(&(src1), &(src2), MAX_NUMNODES) |
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199 | static inline int __nodes_intersects(const nodemask_t *src1p, |
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200 | const nodemask_t *src2p, unsigned int nbits) |
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201 | { |
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202 | return bitmap_intersects(src1p->bits, src2p->bits, nbits); |
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203 | } |
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204 | |||
205 | #define nodes_subset(src1, src2) \ |
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206 | __nodes_subset(&(src1), &(src2), MAX_NUMNODES) |
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207 | static inline int __nodes_subset(const nodemask_t *src1p, |
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208 | const nodemask_t *src2p, unsigned int nbits) |
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209 | { |
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210 | return bitmap_subset(src1p->bits, src2p->bits, nbits); |
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211 | } |
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212 | |||
213 | #define nodes_empty(src) __nodes_empty(&(src), MAX_NUMNODES) |
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214 | static inline int __nodes_empty(const nodemask_t *srcp, unsigned int nbits) |
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215 | { |
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216 | return bitmap_empty(srcp->bits, nbits); |
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217 | } |
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218 | |||
219 | #define nodes_full(nodemask) __nodes_full(&(nodemask), MAX_NUMNODES) |
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220 | static inline int __nodes_full(const nodemask_t *srcp, unsigned int nbits) |
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221 | { |
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222 | return bitmap_full(srcp->bits, nbits); |
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223 | } |
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224 | |||
225 | #define nodes_weight(nodemask) __nodes_weight(&(nodemask), MAX_NUMNODES) |
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226 | static inline int __nodes_weight(const nodemask_t *srcp, unsigned int nbits) |
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227 | { |
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228 | return bitmap_weight(srcp->bits, nbits); |
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229 | } |
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230 | |||
231 | #define nodes_shift_right(dst, src, n) \ |
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232 | __nodes_shift_right(&(dst), &(src), (n), MAX_NUMNODES) |
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233 | static inline void __nodes_shift_right(nodemask_t *dstp, |
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234 | const nodemask_t *srcp, int n, int nbits) |
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235 | { |
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236 | bitmap_shift_right(dstp->bits, srcp->bits, n, nbits); |
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237 | } |
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238 | |||
239 | #define nodes_shift_left(dst, src, n) \ |
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240 | __nodes_shift_left(&(dst), &(src), (n), MAX_NUMNODES) |
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241 | static inline void __nodes_shift_left(nodemask_t *dstp, |
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242 | const nodemask_t *srcp, int n, int nbits) |
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243 | { |
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244 | bitmap_shift_left(dstp->bits, srcp->bits, n, nbits); |
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245 | } |
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246 | |||
247 | /* FIXME: better would be to fix all architectures to never return |
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248 | > MAX_NUMNODES, then the silly min_ts could be dropped. */ |
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249 | |||
250 | #define first_node(src) __first_node(&(src)) |
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251 | static inline int __first_node(const nodemask_t *srcp) |
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252 | { |
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253 | return min_t(int, MAX_NUMNODES, find_first_bit(srcp->bits, MAX_NUMNODES)); |
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254 | } |
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255 | |||
256 | #define next_node(n, src) __next_node((n), &(src)) |
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257 | static inline int __next_node(int n, const nodemask_t *srcp) |
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258 | { |
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259 | return min_t(int,MAX_NUMNODES,find_next_bit(srcp->bits, MAX_NUMNODES, n+1)); |
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260 | } |
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261 | |||
262 | static inline void init_nodemask_of_node(nodemask_t *mask, int node) |
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263 | { |
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264 | nodes_clear(*mask); |
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265 | node_set(node, *mask); |
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266 | } |
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267 | |||
268 | #define nodemask_of_node(node) \ |
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269 | ({ \ |
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270 | typeof(_unused_nodemask_arg_) m; \ |
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271 | if (sizeof(m) == sizeof(unsigned long)) { \ |
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272 | m.bits[0] = 1UL << (node); \ |
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273 | } else { \ |
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274 | init_nodemask_of_node(&m, (node)); \ |
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275 | } \ |
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276 | m; \ |
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277 | }) |
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278 | |||
279 | #define first_unset_node(mask) __first_unset_node(&(mask)) |
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280 | static inline int __first_unset_node(const nodemask_t *maskp) |
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281 | { |
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282 | return min_t(int,MAX_NUMNODES, |
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283 | find_first_zero_bit(maskp->bits, MAX_NUMNODES)); |
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284 | } |
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285 | |||
286 | #define NODE_MASK_LAST_WORD BITMAP_LAST_WORD_MASK(MAX_NUMNODES) |
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287 | |||
288 | #if MAX_NUMNODES <= BITS_PER_LONG |
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289 | |||
290 | #define NODE_MASK_ALL \ |
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291 | ((nodemask_t) { { \ |
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292 | [BITS_TO_LONGS(MAX_NUMNODES)-1] = NODE_MASK_LAST_WORD \ |
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293 | } }) |
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294 | |||
295 | #else |
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296 | |||
297 | #define NODE_MASK_ALL \ |
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298 | ((nodemask_t) { { \ |
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299 | [0 ... BITS_TO_LONGS(MAX_NUMNODES)-2] = ~0UL, \ |
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300 | [BITS_TO_LONGS(MAX_NUMNODES)-1] = NODE_MASK_LAST_WORD \ |
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301 | } }) |
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302 | |||
303 | #endif |
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304 | |||
305 | #define NODE_MASK_NONE \ |
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306 | ((nodemask_t) { { \ |
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307 | [0 ... BITS_TO_LONGS(MAX_NUMNODES)-1] = 0UL \ |
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308 | } }) |
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309 | |||
310 | #define nodes_addr(src) ((src).bits) |
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311 | |||
312 | #define nodemask_parse_user(ubuf, ulen, dst) \ |
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313 | __nodemask_parse_user((ubuf), (ulen), &(dst), MAX_NUMNODES) |
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314 | static inline int __nodemask_parse_user(const char __user *buf, int len, |
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315 | nodemask_t *dstp, int nbits) |
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316 | { |
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317 | return bitmap_parse_user(buf, len, dstp->bits, nbits); |
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318 | } |
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319 | |||
320 | #define nodelist_parse(buf, dst) __nodelist_parse((buf), &(dst), MAX_NUMNODES) |
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321 | static inline int __nodelist_parse(const char *buf, nodemask_t *dstp, int nbits) |
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322 | { |
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323 | return bitmap_parselist(buf, dstp->bits, nbits); |
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324 | } |
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325 | |||
326 | #define node_remap(oldbit, old, new) \ |
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327 | __node_remap((oldbit), &(old), &(new), MAX_NUMNODES) |
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328 | static inline int __node_remap(int oldbit, |
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329 | const nodemask_t *oldp, const nodemask_t *newp, int nbits) |
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330 | { |
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331 | return bitmap_bitremap(oldbit, oldp->bits, newp->bits, nbits); |
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332 | } |
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333 | |||
334 | #define nodes_remap(dst, src, old, new) \ |
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335 | __nodes_remap(&(dst), &(src), &(old), &(new), MAX_NUMNODES) |
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336 | static inline void __nodes_remap(nodemask_t *dstp, const nodemask_t *srcp, |
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337 | const nodemask_t *oldp, const nodemask_t *newp, int nbits) |
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338 | { |
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339 | bitmap_remap(dstp->bits, srcp->bits, oldp->bits, newp->bits, nbits); |
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340 | } |
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341 | |||
342 | #define nodes_onto(dst, orig, relmap) \ |
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343 | __nodes_onto(&(dst), &(orig), &(relmap), MAX_NUMNODES) |
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344 | static inline void __nodes_onto(nodemask_t *dstp, const nodemask_t *origp, |
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345 | const nodemask_t *relmapp, int nbits) |
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346 | { |
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347 | bitmap_onto(dstp->bits, origp->bits, relmapp->bits, nbits); |
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348 | } |
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349 | |||
350 | #define nodes_fold(dst, orig, sz) \ |
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351 | __nodes_fold(&(dst), &(orig), sz, MAX_NUMNODES) |
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352 | static inline void __nodes_fold(nodemask_t *dstp, const nodemask_t *origp, |
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353 | int sz, int nbits) |
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354 | { |
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355 | bitmap_fold(dstp->bits, origp->bits, sz, nbits); |
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356 | } |
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357 | |||
358 | #if MAX_NUMNODES > 1 |
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359 | #define for_each_node_mask(node, mask) \ |
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360 | for ((node) = first_node(mask); \ |
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361 | (node) < MAX_NUMNODES; \ |
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362 | (node) = next_node((node), (mask))) |
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363 | #else /* MAX_NUMNODES == 1 */ |
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364 | #define for_each_node_mask(node, mask) \ |
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365 | if (!nodes_empty(mask)) \ |
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366 | for ((node) = 0; (node) < 1; (node)++) |
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367 | #endif /* MAX_NUMNODES */ |
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368 | |||
369 | /* |
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370 | * Bitmasks that are kept for all the nodes. |
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371 | */ |
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372 | enum node_states { |
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373 | N_POSSIBLE, /* The node could become online at some point */ |
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374 | N_ONLINE, /* The node is online */ |
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375 | N_NORMAL_MEMORY, /* The node has regular memory */ |
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376 | #ifdef CONFIG_HIGHMEM |
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377 | N_HIGH_MEMORY, /* The node has regular or high memory */ |
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378 | #else |
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379 | N_HIGH_MEMORY = N_NORMAL_MEMORY, |
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380 | #endif |
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381 | #ifdef CONFIG_MOVABLE_NODE |
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382 | N_MEMORY, /* The node has memory(regular, high, movable) */ |
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383 | #else |
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384 | N_MEMORY = N_HIGH_MEMORY, |
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385 | #endif |
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386 | N_CPU, /* The node has one or more cpus */ |
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387 | NR_NODE_STATES |
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388 | }; |
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389 | |||
390 | /* |
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391 | * The following particular system nodemasks and operations |
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392 | * on them manage all possible and online nodes. |
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393 | */ |
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394 | |||
395 | extern nodemask_t node_states[NR_NODE_STATES]; |
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396 | |||
397 | #if MAX_NUMNODES > 1 |
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398 | static inline int node_state(int node, enum node_states state) |
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399 | { |
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400 | return node_isset(node, node_states[state]); |
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401 | } |
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402 | |||
403 | static inline void node_set_state(int node, enum node_states state) |
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404 | { |
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405 | __node_set(node, &node_states[state]); |
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406 | } |
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407 | |||
408 | static inline void node_clear_state(int node, enum node_states state) |
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409 | { |
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410 | __node_clear(node, &node_states[state]); |
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411 | } |
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412 | |||
413 | static inline int num_node_state(enum node_states state) |
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414 | { |
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415 | return nodes_weight(node_states[state]); |
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416 | } |
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417 | |||
418 | #define for_each_node_state(__node, __state) \ |
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419 | for_each_node_mask((__node), node_states[__state]) |
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420 | |||
421 | #define first_online_node first_node(node_states[N_ONLINE]) |
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422 | #define first_memory_node first_node(node_states[N_MEMORY]) |
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423 | static inline int next_online_node(int nid) |
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424 | { |
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425 | return next_node(nid, node_states[N_ONLINE]); |
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426 | } |
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427 | static inline int next_memory_node(int nid) |
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428 | { |
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429 | return next_node(nid, node_states[N_MEMORY]); |
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430 | } |
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431 | |||
432 | extern int nr_node_ids; |
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433 | extern int nr_online_nodes; |
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434 | |||
435 | static inline void node_set_online(int nid) |
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436 | { |
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437 | node_set_state(nid, N_ONLINE); |
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438 | nr_online_nodes = num_node_state(N_ONLINE); |
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439 | } |
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440 | |||
441 | static inline void node_set_offline(int nid) |
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442 | { |
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443 | node_clear_state(nid, N_ONLINE); |
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444 | nr_online_nodes = num_node_state(N_ONLINE); |
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445 | } |
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446 | |||
447 | #else |
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448 | |||
449 | static inline int node_state(int node, enum node_states state) |
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450 | { |
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451 | return node == 0; |
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452 | } |
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453 | |||
454 | static inline void node_set_state(int node, enum node_states state) |
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455 | { |
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456 | } |
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457 | |||
458 | static inline void node_clear_state(int node, enum node_states state) |
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459 | { |
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460 | } |
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461 | |||
462 | static inline int num_node_state(enum node_states state) |
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463 | { |
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464 | return 1; |
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465 | } |
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466 | |||
467 | #define for_each_node_state(node, __state) \ |
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468 | for ( (node) = 0; (node) == 0; (node) = 1) |
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469 | |||
470 | #define first_online_node 0 |
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471 | #define first_memory_node 0 |
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472 | #define next_online_node(nid) (MAX_NUMNODES) |
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473 | #define nr_node_ids 1 |
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474 | #define nr_online_nodes 1 |
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475 | |||
476 | #define node_set_online(node) node_set_state((node), N_ONLINE) |
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477 | #define node_set_offline(node) node_clear_state((node), N_ONLINE) |
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478 | |||
479 | #endif |
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480 | |||
481 | #if defined(CONFIG_NUMA) && (MAX_NUMNODES > 1) |
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482 | extern int node_random(const nodemask_t *maskp); |
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483 | #else |
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484 | static inline int node_random(const nodemask_t *mask) |
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485 | { |
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486 | return 0; |
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487 | } |
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488 | #endif |
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489 | |||
490 | #define node_online_map node_states[N_ONLINE] |
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491 | #define node_possible_map node_states[N_POSSIBLE] |
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492 | |||
493 | #define num_online_nodes() num_node_state(N_ONLINE) |
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494 | #define num_possible_nodes() num_node_state(N_POSSIBLE) |
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495 | #define node_online(node) node_state((node), N_ONLINE) |
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496 | #define node_possible(node) node_state((node), N_POSSIBLE) |
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497 | |||
498 | #define for_each_node(node) for_each_node_state(node, N_POSSIBLE) |
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499 | #define for_each_online_node(node) for_each_node_state(node, N_ONLINE) |
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500 | |||
501 | /* |
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502 | * For nodemask scrach area. |
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503 | * NODEMASK_ALLOC(type, name) allocates an object with a specified type and |
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504 | * name. |
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505 | */ |
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506 | #if NODES_SHIFT > 8 /* nodemask_t > 256 bytes */ |
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507 | #define NODEMASK_ALLOC(type, name, gfp_flags) \ |
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508 | type *name = kmalloc(sizeof(*name), gfp_flags) |
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509 | #define NODEMASK_FREE(m) kfree(m) |
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510 | #else |
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511 | #define NODEMASK_ALLOC(type, name, gfp_flags) type _##name, *name = &_##name |
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512 | #define NODEMASK_FREE(m) do {} while (0) |
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513 | #endif |
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514 | |||
515 | /* A example struture for using NODEMASK_ALLOC, used in mempolicy. */ |
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516 | struct nodemask_scratch { |
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517 | nodemask_t mask1; |
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518 | nodemask_t mask2; |
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519 | }; |
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520 | |||
521 | #define NODEMASK_SCRATCH(x) \ |
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522 | NODEMASK_ALLOC(struct nodemask_scratch, x, \ |
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523 | GFP_KERNEL | __GFP_NORETRY) |
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524 | #define NODEMASK_SCRATCH_FREE(x) NODEMASK_FREE(x) |
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525 | |||
526 | |||
527 | #endif /* __LINUX_NODEMASK_H */>>=>><> |