Messages in this thread Patch in this message |  | | Date | Tue, 28 Oct 2014 04:07:38 -0700 | From | tip-bot for Wanpeng Li <> | Subject | [tip:sched/core] sched/deadline: Don't check SD_BALANCE_FORK |
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Commit-ID: 1d7e974cbf2fce2683f34ff33c173fd7ef5478c7 Gitweb: http://git.kernel.org/tip/1d7e974cbf2fce2683f34ff33c173fd7ef5478c7 Author: Wanpeng Li <wanpeng.li@linux.intel.com> AuthorDate: Tue, 14 Oct 2014 10:22:39 +0800 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Tue, 28 Oct 2014 10:48:01 +0100
sched/deadline: Don't check SD_BALANCE_FORK
There is no need to do balance during fork since SCHED_DEADLINE tasks can't fork. This patch avoid the SD_BALANCE_FORK check.
Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: http://lkml.kernel.org/r/1413253360-5318-1-git-send-email-wanpeng.li@linux.intel.com Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> --- kernel/sched/deadline.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 8aaa971..fab3bf8 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -933,7 +933,7 @@ select_task_rq_dl(struct task_struct *p, int cpu, int sd_flag, int flags) struct task_struct *curr; struct rq *rq; - if (sd_flag != SD_BALANCE_WAKE && sd_flag != SD_BALANCE_FORK) + if (sd_flag != SD_BALANCE_WAKE) goto out; rq = cpu_rq(cpu);
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