Merge commit 'v2.6.30-rc5' into sched/core

Merge reason: sched/core was on .30-rc1 before, update to latest fixes

Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --cc include/linux/wait.h
Simple merge

diff --cc kernel/mutex.c
Simple merge

diff --cc kernel/sched.c
Simple merge