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authorAndrea Arcangeli <aarcange@redhat.com>2011-01-14 02:46:31 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-14 04:32:38 +0300
commita826e422420b461a6247137c292ff83c4800354a (patch)
tree803e3aeb39606e2fe58daa238c454b335aa25cbc
parent1c9bf22c09ae14d65225d9b9619b2eb357350cd7 (diff)
downloadlinux-a826e422420b461a6247137c292ff83c4800354a.tar.xz
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.h2
-rw-r--r--arch/mips/include/asm/mman.h2
-rw-r--r--arch/parisc/include/asm/mman.h2
-rw-r--r--arch/xtensa/include/asm/mman.h2
-rw-r--r--include/asm-generic/mman-common.h2
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