summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/mman.h
diff options
context:
space:
mode:
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..90bc4108a4fd
--- /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 */