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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@linux.vnet.ibm.com>
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>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1386833006-6600-2-git-send-email-liwanp@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
hifive-unleashed-5.1
Wanpeng Li 2013-12-12 15:23:24 +08:00 committed by Ingo Molnar
parent 1bd53a7efd
commit de1b301a19
2 changed files with 3 additions and 3 deletions
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2
kernel/sched/debug.c
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@ -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)));

4
kernel/sched/fair.c
View File

@ -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 */