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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 21:05:42 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-22 22:55:20 -0700
commitbb8985586b7a906e116db835c64773b7a7d51663 (patch)
treede93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/mman.h
parent8ede0bdb63305d3353efd97e9af6210afb05734e (diff)
downloadlwn-bb8985586b7a906e116db835c64773b7a7d51663.tar.gz
lwn-bb8985586b7a906e116db835c64773b7a7d51663.zip
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/mman.h')
-rw-r--r--arch/x86/include/asm/mman.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mman.h b/arch/x86/include/asm/mman.h
new file mode 100644
index 000000000000..4ef28e6de383
--- /dev/null
+++ b/arch/x86/include/asm/mman.h
@@ -0,0 +1,20 @@
+#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 */