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

[safe/jmp/linux-2.6] / include / asm-x86_64 / mman.h

diff --git a/include/asm-x86_64/mman.h b/include/asm-x86_64/mman.h
index 78e60a4..d0e97b7 100644 (file)
--- a/include/asm-x86_64/mman.h
+++ b/include/asm-x86_64/mman.h
@@ -36,6 +36,7 @@
 #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