sched: Move p->nr_cpus_allowed check to select_task_rq()
Move the p->nr_cpus_allowed check into kernel/sched/core.c: select_task_rq().
This change will make fair.c, rt.c, and deadline.c all start with the
same logic.
Suggested-and-Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: "pang.xunlei" <pang.xunlei@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1415150077-59053-1-git-send-email-wanpeng.li@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 3ccdce1..d44d0c5 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1411,7 +1411,8 @@
static inline
int select_task_rq(struct task_struct *p, int cpu, int sd_flags, int wake_flags)
{
- cpu = p->sched_class->select_task_rq(p, cpu, sd_flags, wake_flags);
+ if (p->nr_cpus_allowed > 1)
+ cpu = p->sched_class->select_task_rq(p, cpu, sd_flags, wake_flags);
/*
* In order not to call set_task_cpu() on a blocking task we need
