From f6891ddbc78dc819281d4fef158c0993e5ca7809 Mon Sep 17 00:00:00 2001 From: Max Filippov Date: Mon, 22 Sep 2014 06:44:41 +0400 Subject: [PATCH] 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 --- arch/xtensa/include/uapi/asm/mman.h | 6 ++++++ 1 file changed, 6 insertions(+) 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 -- 2.30.2