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SubjectRe: [PATCH] mm: don't use the same value for MAP_FIXED_SAFE and MAP_SYNC
On Mon 18-12-17 10:49:16, Andrei Vagin wrote:
> Cc: Michal Hocko <mhocko@kernel.org>
> Fixes: ("fs, elf: drop MAP_FIXED usage from elf_map")
> Signed-off-by: Andrei Vagin <avagin@openvz.org>
> ---
> include/uapi/asm-generic/mman-common.h | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/include/uapi/asm-generic/mman-common.h b/include/uapi/asm-generic/mman-common.h
> index b37502cbbef7..2db3fa287274 100644
> --- a/include/uapi/asm-generic/mman-common.h
> +++ b/include/uapi/asm-generic/mman-common.h
> @@ -26,7 +26,9 @@
> #else
> # define MAP_UNINITIALIZED 0x0 /* Don't support this flag */
> #endif
> -#define MAP_FIXED_SAFE 0x80000 /* MAP_FIXED which doesn't unmap underlying mapping */
> +
> +/* 0x0100 - 0x80000 flags are defined in asm-generic/mman.h */
> +#define MAP_FIXED_SAFE 0x100000 /* MAP_FIXED which doesn't unmap underlying mapping */

Ouch, I was developing on top of mmotm which didn't have the new the new
MAP_SYNC. Thanks for catching that. Andrew, could you fold this into the
patch, please?
--
Michal Hocko
SUSE Labs

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