tree 1f40d51f39965017999c36e3a5ae78b67e43f5d5
parent 252c5f94d944487e9f50ece7942b0fbf659c5c31
author Huang Shijie <shijie8@gmail.com> 1253577821 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1253629061 -0700

mmap: save some cycles for the shared anonymous mapping

shmem_zero_setup() does not change vm_start, pgoff or vm_flags, only some
drivers change them (such as /driver/video/bfin-t350mcqb-fb.c).

Move these codes to a more proper place to save cycles for shared
anonymous mapping.

Signed-off-by: Huang Shijie <shijie8@gmail.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>