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authorNick Piggin <npiggin@suse.de>2007-05-06 14:49:53 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 12:12:54 -0700
commit0a27a14a62921b438bb6f33772690d345a089be6 (patch)
tree3a0a23880832ded1160b60a93300f4248a7de91f /fs
parentb4169525bc2336ea6581c6ff2aa88b2671e3b9f9 (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>
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