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sched/fair: Remove duplicate code from can_migrate_task()

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Combine two branches which do the same.

Signed-off-by: Kirill Tkhai <ktkhai@parallels.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/20140922183612.11015.64200.stgit@localhost
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Kirill Tkhai 2014-09-22 22:36:12 +04:00 committed by Ingo Molnar
parent c55f5158f5
commit 7a96c231ca
1 changed files with 2 additions and 14 deletions
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14
kernel/sched/fair.c
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@ -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 (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 ||
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);
}
return 1;
}