[PATCH] madvise(MADV_REMOVE): remove pages from tmpfs shm backing store

[deliverable/linux.git] / include / asm-sh / mman.h

diff --git a/include/asm-sh/mman.h b/include/asm-sh/mman.h
index 3ebab5f79db794d34afa60a62ce8ec9a462a49c4..693bd55a37104f543a2c5e3a21878bbc5cd3d395 100644 (file)
--- a/include/asm-sh/mman.h
+++ b/include/asm-sh/mman.h
@@ -35,6 +35,7 @@
 #define MADV_SEQUENTIAL        0x2             /* read-ahead aggressively */
 #define MADV_WILLNEED  0x3             /* pre-fault pages */
 #define MADV_DONTNEED  0x4             /* discard these pages */
+#define MADV_REMOVE    0x5             /* remove these pages & resources */
 
 /* compatibility flags */
 #define MAP_ANON       MAP_ANONYMOUS