Viewing file:  numaif.h (1.47 KB) -rw-r--r--
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#ifndef NUMAIF_H
#define NUMAIF_H 1
#ifdef __cplusplus
extern "C" {
#endif
/* Kernel interface for NUMA API */
/* System calls */
extern long get_mempolicy(int *mode, unsigned long *nmask,
unsigned long maxnode, void *addr, unsigned flags);
extern long mbind(void *start, unsigned long len, int mode,
const unsigned long *nmask, unsigned long maxnode, unsigned flags);
extern long set_mempolicy(int mode, const unsigned long *nmask,
unsigned long maxnode);
extern long migrate_pages(int pid, unsigned long maxnode,
const unsigned long *frommask,
const unsigned long *tomask);
extern long move_pages(int pid, unsigned long count,
void **pages, const int *nodes, int *status, int flags);
/* Policies */
#define MPOL_DEFAULT 0
#define MPOL_PREFERRED 1
#define MPOL_BIND 2
#define MPOL_INTERLEAVE 3
#define MPOL_MAX MPOL_INTERLEAVE
/* Flags for get_mem_policy */
#define MPOL_F_NODE (1<<0) /* return next il node or node of address */
/* Warning: MPOL_F_NODE is unsupported and
subject to change. Don't use. */
#define MPOL_F_ADDR (1<<1) /* look up vma using address */
#define MPOL_F_MEMS_ALLOWED (1<<2) /* query nodes allowed in cpuset */
/* Flags for mbind */
#define MPOL_MF_STRICT (1<<0) /* Verify existing pages in the mapping */
#define MPOL_MF_MOVE (1<<1) /* Move pages owned by this process to conform to mapping */
#define MPOL_MF_MOVE_ALL (1<<2) /* Move every page to conform to mapping */
#ifdef __cplusplus
}
#endif
#endif
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