x86: add MAP_STACK mmap flag

[linux-2.6.git] / include / asm-x86 / mman.h

diff --git a/include/asm-x86/mman.h b/include/asm-x86/mman.h
index c1682b542dafe2c02247e9d721fd69d335c874b7..90bc4108a4fdf917fc243502bd7fcf833f482a55 100644 (file)
--- a/include/asm-x86/mman.h
+++ b/include/asm-x86/mman.h
@@ -12,6 +12,7 @@
 #define MAP_NORESERVE  0x4000          /* don't check for reservations */
 #define MAP_POPULATE   0x8000          /* populate (prefault) pagetables */
 #define MAP_NONBLOCK   0x10000         /* do not block on IO */
+#define MAP_STACK      0x20000         /* give out an address that is best suited for process/thread stacks */
 
 #define MCL_CURRENT    1               /* lock all current mappings */
 #define MCL_FUTURE     2               /* lock all future mappings */