From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx199.postini.com [74.125.245.199]) by kanga.kvack.org (Postfix) with SMTP id 9C78F6B00E7 for ; Fri, 25 May 2012 13:03:09 -0400 (EDT) From: Andrea Arcangeli Subject: [PATCH 22/35] autonuma: sched_set_autonuma_need_balance Date: Fri, 25 May 2012 19:02:26 +0200 Message-Id: <1337965359-29725-23-git-send-email-aarcange@redhat.com> In-Reply-To: <1337965359-29725-1-git-send-email-aarcange@redhat.com> References: <1337965359-29725-1-git-send-email-aarcange@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Hillf Danton , Dan Smith , Peter Zijlstra , Linus Torvalds , Andrew Morton , Thomas Gleixner , Ingo Molnar , Paul Turner , Suresh Siddha , Mike Galbraith , "Paul E. McKenney" , Lai Jiangshan , Bharata B Rao , Lee Schermerhorn , Rik van Riel , Johannes Weiner , Srivatsa Vaddagiri , Christoph Lameter Invoke autonuma_balance only on the busy CPUs at the same frequency of the CFS load balance. Signed-off-by: Andrea Arcangeli --- kernel/sched/fair.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 99d1d33..1357938 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4893,6 +4893,9 @@ static void run_rebalance_domains(struct softirq_action *h) rebalance_domains(this_cpu, idle); + if (!this_rq->idle_balance) + sched_set_autonuma_need_balance(); + /* * If this cpu has a pending nohz_balance_kick, then do the * balancing on behalf of the other idle cpus whose ticks are -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org