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sched: Make tg_shares_up() walk on-demand
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Mon, 15 Nov 2010 23:47:02 +0000 (15:47 -0800)
committerIngo Molnar <mingo@elte.hu>
Thu, 18 Nov 2010 12:27:47 +0000 (13:27 +0100)
commit9e3081ca61147b29f52fddb4f7c6b6b82ea5eb7a
tree74ec7a4f3e544ed64afb6cb7abe6322ca700d19atree | snapshot
parent3d4b47b4b040c9d77dd68104cfc1055d89a55afdcommit | diff
sched: Make tg_shares_up() walk on-demand

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>
kernel/sched.c diff | blob | history
kernel/sched_fair.c diff | blob | history
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