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| 6588 | serge | 1 | /* |
| 2 | * linux/include/asm-generic/topology.h |
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| 3 | * |
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| 4 | * Written by: Matthew Dobson, IBM Corporation |
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| 5 | * |
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| 6 | * Copyright (C) 2002, IBM Corp. |
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| 7 | * |
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| 8 | * All rights reserved. |
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| 9 | * |
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| 10 | * This program is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License as published by |
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| 12 | * the Free Software Foundation; either version 2 of the License, or |
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| 13 | * (at your option) any later version. |
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| 14 | * |
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| 15 | * This program is distributed in the hope that it will be useful, but |
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| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
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| 18 | * NON INFRINGEMENT. See the GNU General Public License for more |
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| 19 | * details. |
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| 20 | * |
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| 21 | * You should have received a copy of the GNU General Public License |
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| 22 | * along with this program; if not, write to the Free Software |
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| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 24 | * |
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| 25 | * Send feedback to |
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| 26 | */ |
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| 27 | #ifndef _ASM_GENERIC_TOPOLOGY_H |
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| 28 | #define _ASM_GENERIC_TOPOLOGY_H |
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| 29 | |||
| 30 | #ifndef CONFIG_NUMA |
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| 31 | |||
| 32 | /* Other architectures wishing to use this simple topology API should fill |
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| 33 | in the below functions as appropriate in their own |
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| 34 | #ifndef cpu_to_node |
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| 35 | #define cpu_to_node(cpu) ((void)(cpu),0) |
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| 36 | #endif |
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| 37 | #ifndef set_numa_node |
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| 38 | #define set_numa_node(node) |
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| 39 | #endif |
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| 40 | #ifndef set_cpu_numa_node |
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| 41 | #define set_cpu_numa_node(cpu, node) |
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| 42 | #endif |
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| 43 | #ifndef cpu_to_mem |
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| 44 | #define cpu_to_mem(cpu) ((void)(cpu),0) |
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| 45 | #endif |
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| 46 | |||
| 47 | #ifndef parent_node |
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| 48 | #define parent_node(node) ((void)(node),0) |
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| 49 | #endif |
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| 50 | #ifndef cpumask_of_node |
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| 51 | #define cpumask_of_node(node) ((void)node, cpu_online_mask) |
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| 52 | #endif |
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| 53 | #ifndef pcibus_to_node |
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| 54 | #define pcibus_to_node(bus) ((void)(bus), -1) |
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| 55 | #endif |
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| 56 | |||
| 57 | #ifndef cpumask_of_pcibus |
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| 58 | #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ |
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| 59 | cpu_all_mask : \ |
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| 60 | cpumask_of_node(pcibus_to_node(bus))) |
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| 61 | #endif |
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| 62 | |||
| 63 | #endif /* CONFIG_NUMA */ |
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| 64 | |||
| 65 | #if !defined(CONFIG_NUMA) || !defined(CONFIG_HAVE_MEMORYLESS_NODES) |
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| 66 | |||
| 67 | #ifndef set_numa_mem |
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| 68 | #define set_numa_mem(node) |
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| 69 | #endif |
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| 70 | #ifndef set_cpu_numa_mem |
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| 71 | #define set_cpu_numa_mem(cpu, node) |
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| 72 | #endif |
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| 73 | |||
| 74 | #endif /* !CONFIG_NUMA || !CONFIG_HAVE_MEMORYLESS_NODES */ |
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| 75 | |||
| 76 | #endif /* _ASM_GENERIC_TOPOLOGY_H */ |