sched: Make tg_shares_up() walk on-demand

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Make tg_shares_up() use the active cgroup list, this means we cannot
do a strict bottom-up walk of the hierarchy, but assuming its a very
wide tree with a small number of active groups it should be a win.

Signed-off-by: Paul Turner <pjt@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20101115234937.754159484@google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Peter Zijlstra 2010-11-15 15:47:02 -08:00 • committed by Ingo Molnar

parent 3d4b47b4b0

commit 9e3081ca61

2 changed files with 58 additions and 67 deletions

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67

kernel/sched.c

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58

kernel/sched_fair.c

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