From: Wanpeng Li <liwanp@linux.vnet.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@redhat.com>
Cc: Rik van Riel <riel@redhat.com>, Mel Gorman <mgorman@suse.de>,
Peter Zijlstra <peterz@infradead.org>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Wanpeng Li <liwanp@linux.vnet.ibm.com>
Subject: [PATCH v3 10/12] sched/numa: fix record hinting faults check
Date: Sun, 8 Dec 2013 14:14:51 +0800 [thread overview]
Message-ID: <1386483293-15354-10-git-send-email-liwanp@linux.vnet.ibm.com> (raw)
In-Reply-To: <1386483293-15354-1-git-send-email-liwanp@linux.vnet.ibm.com>
Adjust numa_scan_period in task_numa_placement, depending on how much useful
work the numa code can do. The local faults and remote faults should be used
to check if there is record hinting faults instead of local faults and shared
faults. This patch fix it.
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
---
kernel/sched/fair.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index b077f1b3..942e67b 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1322,7 +1322,7 @@ static void update_task_scan_period(struct task_struct *p,
* completely idle or all activity is areas that are not of interest
* to automatic numa balancing. Scan slower
*/
- if (local + shared == 0) {
+ if (local + remote == 0) {
p->numa_scan_period = min(p->numa_scan_period_max,
p->numa_scan_period << 1);
--
1.7.5.4
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next prev parent reply other threads:[~2013-12-08 6:15 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-08 6:14 [PATCH v3 01/12] sched/numa: fix set cpupid on page migration twice against thp Wanpeng Li
2013-12-08 6:14 ` [PATCH v3 02/12] sched/numa: drop idx field of task_numa_env struct Wanpeng Li
2013-12-08 6:14 ` [PATCH v3 03/12] sched/numa: drop sysctl_numa_balancing_settle_count sysctl Wanpeng Li
2013-12-08 6:14 ` [PATCH v3 04/12] sched/numa: use wrapper function task_node to get node which task is on Wanpeng Li
2013-12-08 6:14 ` [PATCH v3 05/12] sched/numa: make numamigrate_isolate_page static Wanpeng Li
2013-12-08 6:14 ` [PATCH v3 06/12] sched/numa: make numamigrate_update_ratelimit static Wanpeng Li
2013-12-08 6:14 ` [PATCH v3 07/12] sched/numa: fix set cpupid on page migration twice against normal page Wanpeng Li
2013-12-08 6:14 ` [PATCH v3 08/12] sched/numa: use wrapper function task_faults_idx to calculate index in group_faults Wanpeng Li
2013-12-08 6:14 ` [PATCH v3 09/12] sched/numa: fix task scan rate adjustment Wanpeng Li
2013-12-10 6:44 ` Naoya Horiguchi
2013-12-10 6:51 ` Wanpeng Li
2013-12-10 8:27 ` Mel Gorman
2013-12-10 8:49 ` Wanpeng Li
2013-12-08 6:14 ` Wanpeng Li [this message]
2013-12-10 7:01 ` [PATCH v3 10/12] sched/numa: fix record hinting faults check Naoya Horiguchi
2013-12-08 6:14 ` [PATCH v3 11/12] sched/numa: drop unnecessary variable in task_weight Wanpeng Li
2013-12-10 7:11 ` Naoya Horiguchi
2013-12-08 6:14 ` [PATCH v3 12/12] sched/numa: drop local 'ret' in task_numa_migrate() Wanpeng Li
2013-12-10 7:12 ` Naoya Horiguchi
2013-12-10 7:17 ` Wanpeng Li
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