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Alexey Dobriyan authored
For the common case where a proc entry is being removed and nobody is in the process of using it, save a LOCK/UNLOCK pair. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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