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-rw-r--r--include/asm-x86_64/mman.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-x86_64/mman.h b/include/asm-x86_64/mman.h
new file mode 100644
index 000000000000..78e60a4fd4ee
--- /dev/null
+++ b/include/asm-x86_64/mman.h
@@ -0,0 +1,44 @@
+#ifndef __X8664_MMAN_H__
+#define __X8664_MMAN_H__
+
+#define PROT_READ 0x1 /* page can be read */
+#define PROT_WRITE 0x2 /* page can be written */
+#define PROT_EXEC 0x4 /* page can be executed */
+#define PROT_NONE 0x0 /* page can not be accessed */
+#define PROT_SEM 0x8
+#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
+#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
+
+#define MAP_SHARED 0x01 /* Share changes */
+#define MAP_PRIVATE 0x02 /* Changes are private */
+#define MAP_TYPE 0x0f /* Mask for type of mapping */
+#define MAP_FIXED 0x10 /* Interpret addr exactly */
+#define MAP_ANONYMOUS 0x20 /* don't use a file */
+#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 MS_ASYNC 1 /* sync memory asynchronously */
+#define MS_INVALIDATE 2 /* invalidate the caches */
+#define MS_SYNC 4 /* synchronous memory sync */
+
+#define MCL_CURRENT 1 /* lock all current mappings */
+#define MCL_FUTURE 2 /* lock all future mappings */
+
+#define MADV_NORMAL 0x0 /* default page-in behavior */
+#define MADV_RANDOM 0x1 /* page-in minimum required */
+#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
+#define MADV_WILLNEED 0x3 /* pre-fault pages */
+#define MADV_DONTNEED 0x4 /* discard these pages */
+
+/* compatibility flags */
+#define MAP_ANON MAP_ANONYMOUS
+#define MAP_FILE 0
+
+#endif
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