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thp: mm: define MADV_HUGEPAGE

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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>
This commit is contained in:
Andrea Arcangeli 2011-01-13 15:46:31 -08:00 committed by Linus Torvalds
parent 1c9bf22c09
commit a826e42242
5 changed files with 10 additions and 0 deletions
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2
arch/alpha/include/asm/mman.h
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@ -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

2
arch/mips/include/asm/mman.h
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@ -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

2
arch/parisc/include/asm/mman.h
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@ -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

2
arch/xtensa/include/asm/mman.h
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@ -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

2
include/asm-generic/mman-common.h
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@ -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