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由 Cyrill Gorcunov 提交于
int_sqrt() returns 0 if its argument is zero so call it if only needed. Signed-off-by: NCyrill Gorcunov <gorcunov@openvz.org> Cc: David Rientjes <rientjes@google.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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