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alistair23-linux/arch/x86/include/asm/numa.h

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#ifndef _ASM_X86_NUMA_H
#define _ASM_X86_NUMA_H
#include <asm/apicdef.h>
#ifdef CONFIG_NUMA
/*
* __apicid_to_node[] stores the raw mapping between physical apicid and
* node and is used to initialize cpu_to_node mapping.
*
* The mapping may be overridden by apic->numa_cpu_node() on 32bit and thus
* should be accessed by the accessors - set_apicid_to_node() and
* numa_cpu_node().
*/
extern s16 __apicid_to_node[MAX_LOCAL_APIC];
static inline void set_apicid_to_node(int apicid, s16 node)
{
__apicid_to_node[apicid] = node;
}
#else /* CONFIG_NUMA */
static inline void set_apicid_to_node(int apicid, s16 node)
{
}
#endif /* CONFIG_NUMA */
#ifdef CONFIG_X86_32
# include "numa_32.h"
#else
# include "numa_64.h"
#endif
#ifdef CONFIG_NUMA
extern void __cpuinit numa_set_node(int cpu, int node);
extern void __cpuinit numa_clear_node(int cpu);
#else /* CONFIG_NUMA */
static inline void numa_set_node(int cpu, int node) { }
static inline void numa_clear_node(int cpu) { }
#endif /* CONFIG_NUMA */
#endif /* _ASM_X86_NUMA_H */