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authorHuang Shijie <shijie8@gmail.com>2009-09-21 17:03:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-22 07:17:41 -0700
commitf8dbf0a7a4c5d98e8b70da9f7f4f6a89f3b7a7bb (patch)
tree1f40d51f39965017999c36e3a5ae78b67e43f5d5 /ipc/shm.c
parent252c5f94d944487e9f50ece7942b0fbf659c5c31 (diff)
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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>
Diffstat (limited to 'ipc/shm.c')
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