| #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 |