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 v4 04/12] sched/numa: use wrapper function task_node to get node which task is on
Date: Tue, 10 Dec 2013 17:19:27 +0800 [thread overview]
Message-ID: <1386667175-19952-4-git-send-email-liwanp@linux.vnet.ibm.com> (raw)
In-Reply-To: <1386667175-19952-1-git-send-email-liwanp@linux.vnet.ibm.com>
Changelog:
v2 -> v3:
* tranlate cpu_to_node(task_cpu(p)) to task_node(p) in sched/debug.c
Use wrapper function task_node to get node which task is on.
Acked-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
---
kernel/sched/debug.c | 2 +-
kernel/sched/fair.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 5c34d18..374fe04 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -139,7 +139,7 @@ print_task(struct seq_file *m, struct rq *rq, struct task_struct *p)
0LL, 0LL, 0LL, 0L, 0LL, 0L, 0LL, 0L);
#endif
#ifdef CONFIG_NUMA_BALANCING
- SEQ_printf(m, " %d", cpu_to_node(task_cpu(p)));
+ SEQ_printf(m, " %d", task_node(p));
#endif
#ifdef CONFIG_CGROUP_SCHED
SEQ_printf(m, " %s", task_group_path(task_group(p)));
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 56bcc0c..e0b1063 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1216,7 +1216,7 @@ static int task_numa_migrate(struct task_struct *p)
* elsewhere, so there is no point in (re)trying.
*/
if (unlikely(!sd)) {
- p->numa_preferred_nid = cpu_to_node(task_cpu(p));
+ p->numa_preferred_nid = task_node(p);
return -EINVAL;
}
@@ -1283,7 +1283,7 @@ static void numa_migrate_preferred(struct task_struct *p)
p->numa_migrate_retry = jiffies + HZ;
/* Success if task is already running on preferred CPU */
- if (cpu_to_node(task_cpu(p)) == p->numa_preferred_nid)
+ if (task_node(p) == p->numa_preferred_nid)
return;
/* Otherwise, try migrate to a CPU on the preferred node */
--
1.7.7.6
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next prev parent reply other threads:[~2013-12-10 9:19 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-10 9:19 [PATCH v4 01/12] sched/numa: fix set cpupid on page migration twice against thp Wanpeng Li
2013-12-10 9:19 ` [PATCH v4 02/12] sched/numa: drop idx field of task_numa_env struct Wanpeng Li
2013-12-10 9:19 ` [PATCH v4 03/12] sched/numa: drop sysctl_numa_balancing_settle_count sysctl Wanpeng Li
2013-12-10 9:19 ` Wanpeng Li [this message]
2013-12-10 9:19 ` [PATCH v4 05/12] sched/numa: make numamigrate_isolate_page static Wanpeng Li
2013-12-10 9:19 ` [PATCH v4 06/12] sched/numa: make numamigrate_update_ratelimit static Wanpeng Li
2013-12-10 20:35 ` Naoya Horiguchi
2013-12-10 9:19 ` [PATCH v4 07/12] sched/numa: fix set cpupid on page migration twice against normal page Wanpeng Li
2013-12-10 20:35 ` Naoya Horiguchi
2013-12-10 9:19 ` [PATCH v4 08/12] sched/numa: use wrapper function task_faults_idx to calculate index in group_faults Wanpeng Li
2013-12-10 20:36 ` Naoya Horiguchi
2013-12-10 9:19 ` [PATCH v4 09/12] sched/numa: fix period_slot recalculation Wanpeng Li
2013-12-10 20:37 ` Naoya Horiguchi
2013-12-10 9:19 ` [PATCH v4 10/12] sched/numa: fix record hinting faults check Wanpeng Li
2013-12-10 9:19 ` [PATCH v4 11/12] sched/numa: drop unnecessary variable in task_weight Wanpeng Li
2013-12-10 9:19 ` [PATCH v4 12/12] sched/numa: fix two local 'ret' in task_numa_migrate() Wanpeng Li
2013-12-10 12:11 ` [PATCH v4 01/12] sched/numa: fix set cpupid on page migration twice against thp Wanpeng Li
2013-12-10 20:34 ` Naoya Horiguchi
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