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authorPeter Zijlstra <peterz@infradead.org>2012-02-11 06:05:00 +0100
committerIngo Molnar <mingo@kernel.org>2014-02-10 16:17:10 +0100
commitfed14d45f945042a15b09de48d7d3d58d9455fc4 (patch)
tree9f94e472cb3395023a7b29dfee17829fc75c8f0d /kernel/sched/rt.c
parent3c4017c13f91069194fce3160944efec50f15a6e (diff)
downloadlinux-fed14d45f945042a15b09de48d7d3d58d9455fc4.tar.bz2
sched/fair: Track cgroup depth
Track depth in cgroup tree, this is useful for things like find_matching_se() where you need to get to a common parent of two sched entities. Keeping the depth avoids having to calculate it on the spot, which saves a number of possible cache-misses. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1328936700.2476.17.camel@laptop Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/rt.c')
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