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由 Nick Piggin 提交于
atomic_add_unless (atomic_inc_not_zero) no longer requires an offset refcount to function correctly. Signed-off-by: NNick Piggin <npiggin@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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