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

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-xtensa / mman.h

diff --git a/include/asm-xtensa/mman.h b/include/asm-xtensa/mman.h
index 9a95a45df99634f08ef0d84fd9a8ed808ab0975b..082a7504925ed5bebeda7b910b25de6bc58075c1 100644 (file)
--- a/include/asm-xtensa/mman.h
+++ b/include/asm-xtensa/mman.h
@@ -72,6 +72,7 @@
 #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