tree e73a795bd99b39a886fe3f9b46f85dbf53db5316
parent 95e02ca9bb5324360e7dea1ea1c563036d84a5e6
author Sebastien Dugue <sebastien.dugue@bull.net> 1151402103 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1151454768 -0700

[PATCH] futex_requeue() optimization

In futex_requeue(), when the 2 futexes keys hash to the same bucket, there
is no need to move the futex_q to the end of the bucket list.

Signed-off-by: Sebastien Dugue <sebastien.dugue@bull.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>