tree a4b39b5d7c89a319b81543c1b26778d6220e772b
parent 2069dd75c7d0f49355939e5586daf5a9ab216db7
author Peter Zijlstra <a.p.zijlstra@chello.nl> 1289864821 -0800
committer Ingo Molnar <mingo@elte.hu> 1290083267 +0100

sched: Implement on-demand (active) cfs_rq list

Make certain load-balance actions scale per number of active cgroups
instead of the number of existing cgroups.

This makes wakeup/sleep paths more expensive, but is a win for systems
where the vast majority of existing cgroups are idle.

Signed-off-by: Paul Turner <pjt@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20101115234937.666535048@google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>