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author | Alexander Graf <agraf@suse.de> | 2012-10-31 16:36:18 +0400 |
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committer | Alexander Graf <agraf@suse.de> | 2012-10-31 16:36:18 +0400 |
commit | 0588000eac9ba4178cebade437da3b28e8fad48f (patch) | |
tree | 697e514a0a0193f17a54f372dd18c5cd3927e154 /include/uapi/linux/mempolicy.h | |
parent | 8b5869ad85f703ffeb25e656eab826f6b85b984c (diff) | |
parent | 81c52c56e2b43589091ee29038bcf793d3f184ab (diff) | |
download | linux-0588000eac9ba4178cebade437da3b28e8fad48f.tar.xz |
Merge commit 'origin/queue' into for-queue
Conflicts:
arch/powerpc/include/asm/Kbuild
arch/powerpc/include/uapi/asm/Kbuild
Diffstat (limited to 'include/uapi/linux/mempolicy.h')
-rw-r--r-- | include/uapi/linux/mempolicy.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/include/uapi/linux/mempolicy.h b/include/uapi/linux/mempolicy.h new file mode 100644 index 000000000000..23e62e0537e2 --- /dev/null +++ b/include/uapi/linux/mempolicy.h @@ -0,0 +1,64 @@ +/* + * NUMA memory policies for Linux. + * Copyright 2003,2004 Andi Kleen SuSE Labs + */ +#ifndef _UAPI_LINUX_MEMPOLICY_H +#define _UAPI_LINUX_MEMPOLICY_H + +#include <linux/errno.h> + + +/* + * 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 */ +}; + +enum mpol_rebind_step { + MPOL_REBIND_ONCE, /* do rebind work at once(not by two step) */ + MPOL_REBIND_STEP1, /* first step(set all the newly nodes) */ + MPOL_REBIND_STEP2, /* second step(clean all the disallowed nodes)*/ + MPOL_REBIND_NSTEP, +}; + +/* 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 */ +#define MPOL_F_REBINDING (1 << 2) /* identify policies in rebinding */ + + +#endif /* _UAPI_LINUX_MEMPOLICY_H */ |