Messages in this thread Patch in this message | | | Date | Thu, 18 Nov 2010 14:12:38 GMT | From | tip-bot for Paul Turner <> | Subject | [tip:sched/core] sched: Update shares on idle_balance |
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Commit-ID: c66eaf619c0c7937e9ded160ae83b5a7a6b19b56 Gitweb: http://git.kernel.org/tip/c66eaf619c0c7937e9ded160ae83b5a7a6b19b56 Author: Paul Turner <pjt@google.com> AuthorDate: Mon, 15 Nov 2010 15:47:07 -0800 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Thu, 18 Nov 2010 13:27:49 +0100
sched: Update shares on idle_balance
Since shares updates are no longer expensive and effectively local, update them at idle_balance(). This allows us to more quickly redistribute shares to another cpu when our load becomes idle.
Signed-off-by: Paul Turner <pjt@google.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20101115234938.204191702@google.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> --- kernel/sched_fair.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 6c84439..33f941d 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -3343,6 +3343,7 @@ static void idle_balance(int this_cpu, struct rq *this_rq) */ raw_spin_unlock(&this_rq->lock); + update_shares(this_cpu); for_each_domain(this_cpu, sd) { unsigned long interval; int balance = 1;
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