tree 79168c345c424ce7b80bfba382c9dc469bdcc70a
parent 698ba7b5a3a7be772922340fade365c675b8243f
author André Goddard Rosa <andre.goddard@gmail.com> 1260924459 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1260976812 -0800

pid: tighten pidmap spinlock critical section by removing kfree()

Avoid calling kfree() under pidmap spinlock, calling it afterwards.

Normally kfree() is fast, but sometimes it can be slow, so avoid
calling it under the spinlock if we can do it.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>