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| author | Wanpeng Li | 2014-11-05 02:14:37 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2014-11-16 10:58:55 +0100 |
| commit | 6c1d9410f007a26d13173cf17204cfd965f49b83 (patch) | |
| tree | ea09909badbde3bcdc9a0adf194cebb70e8dad2f /kernel/sched/core.c | |
| parent | sched/completion: Document when to use wait_for_completion_io_*() (diff) | |
| download | kernel-qcow2-linux-6c1d9410f007a26d13173cf17204cfd965f49b83.tar.gz kernel-qcow2-linux-6c1d9410f007a26d13173cf17204cfd965f49b83.tar.xz kernel-qcow2-linux-6c1d9410f007a26d13173cf17204cfd965f49b83.zip | |
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>
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 3ccdce13484c..d44d0c59122b 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1411,7 +1411,8 @@ out: 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 |