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- #ifndef _LINUX_MEMPOLICY_H
- #define _LINUX_MEMPOLICY_H 1
-
- #include <linux/errno.h>
-
- /*
- * NUMA memory policies for Linux.
- * Copyright 2003,2004 Andi Kleen SuSE Labs
- */
-
- /*
- * Both the MPOL_* mempolicy mode and the MPOL_F_* optional mode flags are
- * passed by the user to either set_mempolicy() or mbind() in an 'int' actual.
- * The MPOL_MODE_FLAGS macro determines the legal set of optional mode flags.
- */
-
- /* Policies */
- enum {
- MPOL_DEFAULT,
- MPOL_PREFERRED,
- MPOL_BIND,
- MPOL_INTERLEAVE,
- MPOL_MAX, /* always last member of enum */
- };
-
- /* Flags for set_mempolicy */
- #define MPOL_F_STATIC_NODES (1 << 15)
- #define MPOL_F_RELATIVE_NODES (1 << 14)
-
- /*
- * MPOL_MODE_FLAGS is the union of all possible optional mode flags passed to
- * either set_mempolicy() or mbind().
- */
- #define MPOL_MODE_FLAGS (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES)
-
- /* Flags for get_mempolicy */
- #define MPOL_F_NODE (1<<0) /* return next IL mode instead of node mask */
- #define MPOL_F_ADDR (1<<1) /* look up vma using address */
- #define MPOL_F_MEMS_ALLOWED (1<<2) /* return allowed memories */
-
- /* 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 */
- #define MPOL_MF_INTERNAL (1<<3) /* Internal flags start here */
-
- /*
- * Internal flags that share the struct mempolicy flags word with
- * "mode flags". These flags are allocated from bit 0 up, as they
- * are never OR'ed into the mode in mempolicy API arguments.
- */
- #define MPOL_F_SHARED (1 << 0) /* identify shared policies */
- #define MPOL_F_LOCAL (1 << 1) /* preferred local allocation */
-
-
- #endif
-