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Rev | Author | Line No. | Line |
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1408 | serge | 1 | #ifndef _LINUX_TYPES_H |
2 | #define _LINUX_TYPES_H |
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3 | |||
5270 | serge | 4 | #define __EXPORTED_HEADERS__ |
5 | #include |
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1408 | serge | 6 | |
7 | #ifndef __ASSEMBLY__ |
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8 | |||
9 | #define DECLARE_BITMAP(name,bits) \ |
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6082 | serge | 10 | unsigned long name[BITS_TO_LONGS(bits)] |
1408 | serge | 11 | |
12 | typedef __u32 __kernel_dev_t; |
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13 | |||
14 | typedef __kernel_fd_set fd_set; |
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15 | typedef __kernel_dev_t dev_t; |
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16 | typedef __kernel_ino_t ino_t; |
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17 | typedef __kernel_mode_t mode_t; |
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3031 | serge | 18 | typedef unsigned short umode_t; |
19 | typedef __u32 nlink_t; |
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1408 | serge | 20 | typedef __kernel_off_t off_t; |
21 | typedef __kernel_pid_t pid_t; |
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22 | typedef __kernel_daddr_t daddr_t; |
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23 | typedef __kernel_key_t key_t; |
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24 | typedef __kernel_suseconds_t suseconds_t; |
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25 | typedef __kernel_timer_t timer_t; |
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26 | typedef __kernel_clockid_t clockid_t; |
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27 | typedef __kernel_mqd_t mqd_t; |
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28 | |||
6082 | serge | 29 | typedef _Bool bool; |
1408 | serge | 30 | |
31 | typedef __kernel_uid32_t uid_t; |
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32 | typedef __kernel_gid32_t gid_t; |
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33 | typedef __kernel_uid16_t uid16_t; |
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34 | typedef __kernel_gid16_t gid16_t; |
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35 | |||
36 | typedef unsigned long uintptr_t; |
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37 | |||
6102 | serge | 38 | #ifdef CONFIG_HAVE_UID16 |
1408 | serge | 39 | /* This is defined by include/asm-{arch}/posix_types.h */ |
40 | typedef __kernel_old_uid_t old_uid_t; |
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41 | typedef __kernel_old_gid_t old_gid_t; |
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42 | #endif /* CONFIG_UID16 */ |
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43 | |||
44 | #if defined(__GNUC__) |
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45 | typedef __kernel_loff_t loff_t; |
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46 | #endif |
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47 | |||
48 | /* |
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49 | * The following typedefs are also protected by individual ifdefs for |
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50 | * historical reasons: |
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51 | */ |
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52 | #ifndef _SIZE_T |
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53 | #define _SIZE_T |
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54 | typedef __kernel_size_t size_t; |
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55 | #endif |
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56 | |||
57 | #ifndef _SSIZE_T |
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58 | #define _SSIZE_T |
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59 | typedef __kernel_ssize_t ssize_t; |
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60 | #endif |
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61 | |||
62 | #ifndef _PTRDIFF_T |
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63 | #define _PTRDIFF_T |
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64 | typedef __kernel_ptrdiff_t ptrdiff_t; |
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65 | #endif |
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66 | |||
67 | #ifndef _TIME_T |
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68 | #define _TIME_T |
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69 | typedef __kernel_time_t time_t; |
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70 | #endif |
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71 | |||
72 | #ifndef _CLOCK_T |
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73 | #define _CLOCK_T |
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74 | typedef __kernel_clock_t clock_t; |
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75 | #endif |
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76 | |||
77 | #ifndef _CADDR_T |
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78 | #define _CADDR_T |
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79 | typedef __kernel_caddr_t caddr_t; |
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80 | #endif |
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81 | |||
82 | /* bsd */ |
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83 | typedef unsigned char u_char; |
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84 | typedef unsigned short u_short; |
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85 | typedef unsigned int u_int; |
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86 | typedef unsigned long u_long; |
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87 | |||
88 | /* sysv */ |
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89 | typedef unsigned char unchar; |
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90 | typedef unsigned short ushort; |
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91 | typedef unsigned int uint; |
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92 | typedef unsigned long ulong; |
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93 | |||
94 | #ifndef __BIT_TYPES_DEFINED__ |
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95 | #define __BIT_TYPES_DEFINED__ |
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96 | |||
97 | typedef __u8 u_int8_t; |
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98 | typedef __s8 int8_t; |
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99 | typedef __u16 u_int16_t; |
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100 | typedef __s16 int16_t; |
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101 | typedef __u32 u_int32_t; |
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102 | typedef __s32 int32_t; |
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103 | |||
104 | #endif /* !(__BIT_TYPES_DEFINED__) */ |
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105 | |||
106 | typedef __u8 uint8_t; |
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107 | typedef __u16 uint16_t; |
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108 | typedef __u32 uint32_t; |
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109 | |||
5056 | serge | 110 | #if defined(__GNUC__) |
1408 | serge | 111 | typedef __u64 uint64_t; |
112 | typedef __u64 u_int64_t; |
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5056 | serge | 113 | typedef __s64 int64_t; |
114 | #endif |
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1408 | serge | 115 | |
116 | /* this is a special 64bit data type that is 8-byte aligned */ |
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117 | #define aligned_u64 __u64 __attribute__((aligned(8))) |
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118 | #define aligned_be64 __be64 __attribute__((aligned(8))) |
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119 | #define aligned_le64 __le64 __attribute__((aligned(8))) |
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120 | |||
121 | /** |
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122 | * The type used for indexing onto a disc or disc partition. |
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123 | * |
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124 | * Linux always considers sectors to be 512 bytes long independently |
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125 | * of the devices real block size. |
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126 | * |
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127 | * blkcnt_t is the type of the inode's block count. |
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128 | */ |
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129 | #ifdef CONFIG_LBDAF |
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130 | typedef u64 sector_t; |
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131 | typedef u64 blkcnt_t; |
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132 | #else |
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133 | typedef unsigned long sector_t; |
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134 | typedef unsigned long blkcnt_t; |
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135 | #endif |
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136 | |||
137 | /* |
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6082 | serge | 138 | * The type of an index into the pagecache. |
1408 | serge | 139 | */ |
140 | #define pgoff_t unsigned long |
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141 | |||
6082 | serge | 142 | /* |
143 | * A dma_addr_t can hold any valid DMA address, i.e., any address returned |
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144 | * by the DMA API. |
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145 | * |
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146 | * If the DMA API only uses 32-bit addresses, dma_addr_t need only be 32 |
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147 | * bits wide. Bus addresses, e.g., PCI BARs, may be wider than 32 bits, |
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148 | * but drivers do memory-mapped I/O to ioremapped kernel virtual addresses, |
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149 | * so they don't care about the size of the actual bus addresses. |
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150 | */ |
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1970 | serge | 151 | #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT |
152 | typedef u64 dma_addr_t; |
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153 | #else |
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154 | typedef u32 dma_addr_t; |
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6082 | serge | 155 | #endif |
1970 | serge | 156 | |
1408 | serge | 157 | typedef unsigned __bitwise__ gfp_t; |
158 | typedef unsigned __bitwise__ fmode_t; |
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5056 | serge | 159 | typedef unsigned __bitwise__ oom_flags_t; |
1408 | serge | 160 | |
161 | #ifdef CONFIG_PHYS_ADDR_T_64BIT |
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162 | typedef u64 phys_addr_t; |
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163 | #else |
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164 | typedef u32 phys_addr_t; |
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165 | #endif |
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166 | |||
167 | typedef phys_addr_t resource_size_t; |
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168 | |||
5056 | serge | 169 | /* |
170 | * This type is the placeholder for a hardware interrupt number. It has to be |
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171 | * big enough to enclose whatever representation is used by a given platform. |
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172 | */ |
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173 | typedef unsigned long irq_hw_number_t; |
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174 | |||
1408 | serge | 175 | typedef struct { |
1964 | serge | 176 | int counter; |
1408 | serge | 177 | } atomic_t; |
178 | |||
179 | #ifdef CONFIG_64BIT |
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180 | typedef struct { |
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1964 | serge | 181 | long counter; |
1408 | serge | 182 | } atomic64_t; |
183 | #endif |
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184 | |||
1964 | serge | 185 | struct list_head { |
186 | struct list_head *next, *prev; |
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187 | }; |
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188 | |||
189 | struct hlist_head { |
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190 | struct hlist_node *first; |
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191 | }; |
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192 | |||
193 | struct hlist_node { |
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194 | struct hlist_node *next, **pprev; |
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195 | }; |
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196 | |||
1408 | serge | 197 | struct ustat { |
198 | __kernel_daddr_t f_tfree; |
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199 | __kernel_ino_t f_tinode; |
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200 | char f_fname[6]; |
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201 | char f_fpack[6]; |
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202 | }; |
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203 | |||
3391 | Serge | 204 | /** |
205 | * struct callback_head - callback structure for use with RCU and task_work |
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206 | * @next: next update requests in a list |
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207 | * @func: actual update function to call after the grace period. |
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6082 | serge | 208 | * |
209 | * The struct is aligned to size of pointer. On most architectures it happens |
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210 | * naturally due ABI requirements, but some architectures (like CRIS) have |
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211 | * weird ABI and we need to ask it explicitly. |
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212 | * |
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213 | * The alignment is required to guarantee that bits 0 and 1 of @next will be |
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214 | * clear under normal conditions -- as long as we use call_rcu(), |
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215 | * call_rcu_bh(), call_rcu_sched(), or call_srcu() to queue callback. |
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216 | * |
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217 | * This guarantee is important for few reasons: |
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218 | * - future call_rcu_lazy() will make use of lower bits in the pointer; |
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219 | * - the structure shares storage spacer in struct page with @compound_head, |
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220 | * which encode PageTail() in bit 0. The guarantee is needed to avoid |
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221 | * false-positive PageTail(). |
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3391 | Serge | 222 | */ |
223 | struct callback_head { |
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6082 | serge | 224 | struct callback_head *next; |
225 | void (*func)(struct callback_head *head); |
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226 | } __attribute__((aligned(sizeof(void *)))); |
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3391 | Serge | 227 | #define rcu_head callback_head |
3031 | serge | 228 | |
6082 | serge | 229 | typedef void (*rcu_callback_t)(struct rcu_head *head); |
230 | typedef void (*call_rcu_func_t)(struct rcu_head *head, rcu_callback_t func); |
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231 | |||
232 | /* clocksource cycle base type */ |
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233 | typedef u64 cycle_t; |
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234 | |||
5270 | serge | 235 | #endif /* __ASSEMBLY__ */ |
1408 | serge | 236 | #endif /* _LINUX_TYPES_H */ |