Commit-ID: 7a96c231ca23f0f5622852307df4209afc502ec3
Gitweb: http://git.kernel.org/tip/7a96c231ca23f0f5622852307df4209afc502ec3
Author: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
AuthorDate: Mon, 22 Sep 2014 22:36:12 +0400
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 24 Sep 2014 14:47:07 +0200
sched/fair: Remove duplicate code from can_migrate_task()
Combine two branches which do the same.
Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20140922183612.11015.64200.stgit@localhost
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
kernel/sched/fair.c | 16 ++--------------
1 file changed, 2 insertions(+), 14 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 8cb32f8..10a5a28 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5315,24 +5315,12 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env)
if (!tsk_cache_hot)
tsk_cache_hot = migrate_degrades_locality(p, env);
- if (migrate_improves_locality(p, env)) {
-#ifdef CONFIG_SCHEDSTATS
+ if (migrate_improves_locality(p, env) || !tsk_cache_hot ||
+ env->sd->nr_balance_failed > env->sd->cache_nice_tries) {
if (tsk_cache_hot) {
schedstat_inc(env->sd, lb_hot_gained[env->idle]);
schedstat_inc(p, se.statistics.nr_forced_migrations);
}
-#endif
- return 1;
- }
-
- if (!tsk_cache_hot ||
- env->sd->nr_balance_failed > env->sd->cache_nice_tries) {
-
- if (tsk_cache_hot) {
- schedstat_inc(env->sd, lb_hot_gained[env->idle]);
- schedstat_inc(p, se.statistics.nr_forced_migrations);
- }
-
return 1;
}
--
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