| commit | 58d6c2d72f8628f39e8689fbde8aa177fcf00a37 | |
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | |
| Sat, 19 Apr 2008 17:45:00 +0000 (19 19:45 +0200) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Sat, 19 Apr 2008 17:45:00 +0000 (19 19:45 +0200) | ||
| tree | 0be40bd788856b3cabb99ff258561b15a574f2f3 | treesnapshot (tar.gz zip) |
| parent | d19ca30874f2ad343d054e0b5c0576744afeecd4 | commitdiff |
sched: rt-group: optimize dequeue_rt_stack
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>
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>
| include/linux/sched.h | diffblobblamehistory | |
| kernel/sched_rt.c | diffblobblamehistory |