arch: move common mmap flags to linux/mman.h

Now that we have 3 mmap flags shared by all architectures,
let's move them into the common header.

This will help discourage future architectures from duplicating code.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/alpha/include/uapi/asm/mman.h

@@ -10,9 +10,7 @@
 #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_SHARED_VALIDATE 0x03	/* share + validate extension flags */
+/* 0x01 - 0x03 are defined in linux/mman.h */
 #define MAP_TYPE	0x0f		/* Mask for type of mapping (OSF/1 is _wrong_) */
 #define MAP_FIXED	0x100		/* Interpret addr exactly */
 #define MAP_ANONYMOUS	0x10		/* don't use a file */

arch/mips/include/uapi/asm/mman.h

@@ -27,9 +27,7 @@
 /*
  * Flags for mmap
  */
-#define MAP_SHARED	0x001		/* Share changes */
-#define MAP_PRIVATE	0x002		/* Changes are private */
-#define MAP_SHARED_VALIDATE 0x003	/* share + validate extension flags */
+/* 0x01 - 0x03 are defined in linux/mman.h */
 #define MAP_TYPE	0x00f		/* Mask for type of mapping */
 #define MAP_FIXED	0x010		/* Interpret addr exactly */
 

arch/parisc/include/uapi/asm/mman.h

@@ -10,9 +10,7 @@
 #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_SHARED_VALIDATE 0x03	/* share + validate extension flags */
+/* 0x01 - 0x03 are defined in linux/mman.h */
 #define MAP_TYPE	0x2b		/* Mask for type of mapping, includes bits 0x08 and 0x20 */
 #define MAP_FIXED	0x04		/* Interpret addr exactly */
 #define MAP_ANONYMOUS	0x10		/* don't use a file */

arch/xtensa/include/uapi/asm/mman.h

@@ -34,9 +34,7 @@
 /*
  * Flags for mmap
  */
-#define MAP_SHARED	0x001		/* Share changes */
-#define MAP_PRIVATE	0x002		/* Changes are private */
-#define MAP_SHARED_VALIDATE 0x003	/* share + validate extension flags */
+/* 0x01 - 0x03 are defined in linux/mman.h */
 #define MAP_TYPE	0x00f		/* Mask for type of mapping */
 #define MAP_FIXED	0x010		/* Interpret addr exactly */
 

include/uapi/asm-generic/mman-common.h

@@ -15,9 +15,7 @@
 #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_SHARED_VALIDATE 0x03	/* share + validate extension flags */
+/* 0x01 - 0x03 are defined in linux/mman.h */
 #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 */

include/uapi/linux/mman.h

@@ -12,6 +12,10 @@
 #define OVERCOMMIT_ALWAYS		1
 #define OVERCOMMIT_NEVER		2
 
+#define MAP_SHARED	0x01		/* Share changes */
+#define MAP_PRIVATE	0x02		/* Changes are private */
+#define MAP_SHARED_VALIDATE 0x03	/* share + validate extension flags */
+
 /*
  * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
  * size other than the default is desired.  See hugetlb_encode.h.