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authorChris Zankel2014-11-10 09:24:48 +0100
committerChris Zankel2014-11-10 09:24:48 +0100
commitc0d7aa07504a8f4abd7b02b9144c4a92b7565f45 (patch)
treea983f40010592c96e43def4f1293392bb3c99f2d /arch/xtensa/include/uapi/asm
parentMerge tag 'v3.18-rc4' into for_next (diff)
parentxtensa: remove s6000 variant and s6105 platform (diff)
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Merge tag 'xtensa-for-next-20141021-2' of git://github.com/jcmvbkbc/linux-xtensa into for_next
Xtensa improvements for 3.18: - fix nommu support; - remove s6000 variant and s6105 platform.
Diffstat (limited to 'arch/xtensa/include/uapi/asm')
-rw-r--r--arch/xtensa/include/uapi/asm/mman.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/xtensa/include/uapi/asm/mman.h b/arch/xtensa/include/uapi/asm/mman.h
index 00eed6786d7e..201aec0e0446 100644
--- a/arch/xtensa/include/uapi/asm/mman.h
+++ b/arch/xtensa/include/uapi/asm/mman.h
@@ -55,6 +55,12 @@
#define MAP_NONBLOCK 0x20000 /* do not block on IO */
#define MAP_STACK 0x40000 /* give out an address that is best suited for process/thread stacks */
#define MAP_HUGETLB 0x80000 /* create a huge page mapping */
+#ifdef CONFIG_MMAP_ALLOW_UNINITIALIZED
+# define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be
+ * uninitialized */
+#else
+# define MAP_UNINITIALIZED 0x0 /* Don't support this flag */
+#endif
/*
* Flags for msync