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>
diff --git a/arch/parisc/include/asm/mman.h b/arch/parisc/include/asm/mman.h
index 9749c8a..533c5dc 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