x86: add MAP_STACK mmap flag

[pandora-kernel.git] / include / asm-x86 / mman.h

diff --git a/include/asm-x86/mman.h b/include/asm-x86/mman.h
index 322db07..90bc410 100644 (file)
--- a/include/asm-x86/mman.h
+++ b/include/asm-x86/mman.h
@@ -1,13 +1,20 @@
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "mman_32.h"
-# else
-#  include "mman_64.h"
-# endif
-#else
-# ifdef __i386__
-#  include "mman_32.h"
-# else
-#  include "mman_64.h"
-# endif
-#endif
+#ifndef _ASM_X86_MMAN_H
+#define _ASM_X86_MMAN_H
+
+#include <asm-generic/mman.h>
+
+#define MAP_32BIT      0x40            /* only give out 32bit addresses */
+
+#define MAP_GROWSDOWN  0x0100          /* stack-like segment */
+#define MAP_DENYWRITE  0x0800          /* ETXTBSY */
+#define MAP_EXECUTABLE 0x1000          /* mark it as an executable */
+#define MAP_LOCKED     0x2000          /* pages are locked */
+#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 */
+
+#endif /* _ASM_X86_MMAN_H */