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authorMax Filippov <jcmvbkbc@gmail.com>2014-09-22 06:44:41 +0400
committerMax Filippov <jcmvbkbc@gmail.com>2014-10-21 13:28:47 +0400
commitf6891ddbc78dc819281d4fef158c0993e5ca7809 (patch)
treea9f9bf40aaed2d5821fc37a36d2d29e1c6c20e47 /arch/xtensa
parent972c55bf70c04b3deeecec022c8ca64136350655 (diff)
downloadlinux-f6891ddbc78dc819281d4fef158c0993e5ca7809.tar.bz2
xtensa: nommu: provide MAP_UNINITIALIZED definition
Add MAP_UNINITIALIZED to xtensa version of mman.h to keep mm/nommu.c happy. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa')
-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