tree 5615868bc04901a48f28ecc3da7cc3de035a5662
parent 06066714f6016cffcb249f6ab21b7919de1bc859
author Chen, Kenneth W <kenneth.w.chen@intel.com> 1165746036 -0800
committer Linus Torvalds <torvalds@woody.osdl.org> 1165773343 -0800

[PATCH] sched: optimize activate_task for RT task

RT task does not participate in interactiveness priority and thus shouldn't
be bothered with timestamp and p->sleep_type manipulation when task is
being put on run queue.  Bypass all of the them with a single if (rt_task)
test.

Signed-off-by: Ken Chen <kenneth.w.chen@intel.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>