sched: rt-group: optimize dequeue_rt_stack

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Now that the group hierarchy can have an arbitrary depth the O(n^2) nature
of RT task dequeues will really hurt. Optimize this by providing space to
store the tree path, so we can walk it the other way.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Peter Zijlstra 2008-04-19 19:45:00 +02:00 • committed by Ingo Molnar

parent d19ca30874

commit 58d6c2d72f

2 changed files with 12 additions and 16 deletions

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kernel/sched_rt.c

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