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Subject[tip:sched/core] sched/deadline: Don't check SD_BALANCE_FORK
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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