[PATCH 1/7] sched/fair: Remove duplicate code from can_migrate_task()

[Kirill Tkhai]

From: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>

Two branches do the same, so we can combine them and get
rid of duplicate code.

Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
---
 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 74fa2c2..fa13f94 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5292,24 +5292,12 @@ 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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