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由 Peter Zijlstra 提交于
We need the anon_vma refcount unconditionally to simplify the anon_vma lifetime rules. Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: NMel Gorman <mel@csn.ul.ie> Reviewed-by: NKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: NHugh Dickins <hughd@google.com> Acked-by: NRik van Riel <riel@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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