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(parent: 7230509) | patch
mm: madvise avoid exclusive mmap_sem
authorNick Piggin <npiggin@suse.de>
Sun, 6 May 2007 21:49:53 +0000 (14:49 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Mon, 7 May 2007 19:12:54 +0000 (12:12 -0700)
commitcb2f4a1a1e1dc1122b25420a9fd3f1a4c9058766
tree3a0a23880832ded1160b60a93300f4248a7de91ftree | snapshot
parent72305096284dbada4060d987c5b1da392ff15385commit | diff
mm: madvise avoid exclusive mmap_sem

Avoid down_write of the mmap_sem in madvise when we can help it.

Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/madvise.c diff | blob | history
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