From: Andrea Arcangeli <aarcange@xxxxxxxxxx> Define MADV_HUGEPAGE. Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx> Acked-by: Rik van Riel <riel@xxxxxxxxxx> Acked-by: Arnd Bergmann <arnd@xxxxxxxx> --- diff --git a/arch/alpha/include/asm/mman.h b/arch/alpha/include/asm/mman.h --- 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 --- 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 --- 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 --- 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 --- 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>