[tip:sched/core] sched/numa: Use wrapper function task_node to get node which task is on

From: tip-bot for Wanpeng Li
Date: Wed Dec 18 2013 - 05:33:46 EST


Commit-ID: de1b301a19754778ddd9f908d266ffe1c010b2cf
Gitweb: http://git.kernel.org/tip/de1b301a19754778ddd9f908d266ffe1c010b2cf
Author: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
AuthorDate: Thu, 12 Dec 2013 15:23:24 +0800
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 17 Dec 2013 15:24:39 +0100

sched/numa: Use wrapper function task_node to get node which task is on

Use wrapper function task_node to get node which task is on.

Signed-off-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
Acked-by: Mel Gorman <mgorman@xxxxxxx>
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1386833006-6600-2-git-send-email-liwanp@xxxxxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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 fcb6c17..ebdb08b 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1202,7 +1202,7 @@ 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;
}

@@ -1269,7 +1269,7 @@ 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 */
--
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