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| author | Andrea Arcangeli <aarcange@redhat.com> | 2011-01-14 00:46:31 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-14 02:32:38 +0100 |
| commit | a826e422420b461a6247137c292ff83c4800354a (patch) | |
| tree | 803e3aeb39606e2fe58daa238c454b335aa25cbc | |
| parent | thp: transparent hugepage support documentation (diff) | |
| download | linux-a826e422420b461a6247137c292ff83c4800354a.tar.xz linux-a826e422420b461a6247137c292ff83c4800354a.zip | |
thp: mm: define MADV_HUGEPAGE
Define MADV_HUGEPAGE.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/alpha/include/asm/mman.h | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/mman.h | 2 | ||||
| -rw-r--r-- | arch/parisc/include/asm/mman.h | 2 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/mman.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/mman-common.h | 2 |
5 files changed, 10 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/mman.h b/arch/alpha/include/asm/mman.h index 99c56d47879d..f7465418a8f3 100644 --- a/arch/alpha/include/asm/mman.h +++ b/arch/alpha/include/asm/mman.h @@ -53,6 +53,8 @@ #define MADV_MERGEABLE 12 /* KSM may merge identical pages */ #define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ +#define MADV_HUGEPAGE 14 /* Worth backing with hugepages */ + /* compatibility flags */ #define MAP_FILE 0 diff --git a/arch/mips/include/asm/mman.h b/arch/mips/include/asm/mman.h index c892bfb3e2c1..9d8184c527ff 100644 --- a/arch/mips/include/asm/mman.h +++ b/arch/mips/include/asm/mman.h @@ -77,6 +77,8 @@ #define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ #define MADV_HWPOISON 100 /* poison a page for testing */ +#define MADV_HUGEPAGE 14 /* Worth backing with hugepages */ + /* compatibility flags */ #define MAP_FILE 0 diff --git a/arch/parisc/include/asm/mman.h b/arch/parisc/include/asm/mman.h index 9749c8afe83a..533c5dc173c1 100644 --- a/arch/parisc/include/asm/mman.h +++ b/arch/parisc/include/asm/mman.h @@ -59,6 +59,8 @@ #define MADV_MERGEABLE 65 /* KSM may merge identical pages */ #define MADV_UNMERGEABLE 66 /* KSM may not merge identical pages */ +#define MADV_HUGEPAGE 67 /* Worth backing with hugepages */ + /* compatibility flags */ #define MAP_FILE 0 #define MAP_VARIABLE 0 diff --git a/arch/xtensa/include/asm/mman.h b/arch/xtensa/include/asm/mman.h index fca4db425f6e..41be9a1ee08f 100644 --- a/arch/xtensa/include/asm/mman.h +++ b/arch/xtensa/include/asm/mman.h @@ -83,6 +83,8 @@ #define MADV_MERGEABLE 12 /* KSM may merge identical pages */ #define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ +#define MADV_HUGEPAGE 14 /* Worth backing with hugepages */ + /* compatibility flags */ #define MAP_FILE 0 diff --git a/include/asm-generic/mman-common.h b/include/asm-generic/mman-common.h index 3da9e2742fa0..e91392fde4c6 100644 --- a/include/asm-generic/mman-common.h +++ b/include/asm-generic/mman-common.h @@ -45,6 +45,8 @@ #define MADV_MERGEABLE 12 /* KSM may merge identical pages */ #define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ +#define MADV_HUGEPAGE 14 /* Worth backing with hugepages */ + /* compatibility flags */ #define MAP_FILE 0 |