mm/madvise: introduce MADV_POPULATE_(READ|WRITE) to prefault page tables

[linux-2.6-microblaze.git] / arch / alpha / include / uapi / asm / mman.h

diff --git a/arch/alpha/include/uapi/asm/mman.h b/arch/alpha/include/uapi/asm/mman.h
index a18ec7f..56b4ee5 100644 (file)
--- a/arch/alpha/include/uapi/asm/mman.h
+++ b/arch/alpha/include/uapi/asm/mman.h
@@ -71,6 +71,9 @@
 #define MADV_COLD      20              /* deactivate these pages */
 #define MADV_PAGEOUT   21              /* reclaim these pages */
 
+#define MADV_POPULATE_READ     22      /* populate (prefault) page tables readable */
+#define MADV_POPULATE_WRITE    23      /* populate (prefault) page tables writable */
+
 /* compatibility flags */
 #define MAP_FILE       0