thp: mm: define MADV_NOHUGEPAGE

Define MADV_NOHUGEPAGE. Signed-off-by: Andrea Arcangeli <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
mrcsosa · Jan 14, 2011 · 1ddd6db · 1ddd6db
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commit 1ddd6db
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diff --git a/arch/alpha/include/asm/mman.h b/arch/alpha/include/asm/mman.h
@@ -54,6 +54,7 @@
 #define MADV_UNMERGEABLE 13		/* KSM may not merge identical pages */
 
 #define MADV_HUGEPAGE	14		/* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE	15		/* Not 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
@@ -78,6 +78,7 @@
 #define MADV_HWPOISON    100		/* poison a page for testing */
 
 #define MADV_HUGEPAGE	14		/* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE	15		/* Not 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
@@ -60,6 +60,7 @@
 #define MADV_UNMERGEABLE 66		/* KSM may not merge identical pages */
 
 #define MADV_HUGEPAGE	67		/* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE	68		/* Not worth backing with hugepages */
 
 /* compatibility flags */
 #define MAP_FILE	0

diff --git a/arch/xtensa/include/asm/mman.h b/arch/xtensa/include/asm/mman.h
@@ -84,6 +84,7 @@
 #define MADV_UNMERGEABLE 13		/* KSM may not merge identical pages */
 
 #define MADV_HUGEPAGE	14		/* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE	15		/* Not 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
@@ -46,6 +46,7 @@
 #define MADV_UNMERGEABLE 13		/* KSM may not merge identical pages */
 
 #define MADV_HUGEPAGE	14		/* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE	15		/* Not worth backing with hugepages */
 
 /* compatibility flags */
 #define MAP_FILE	0