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* [PATCH] sched: Fix select_task_rq_fair() description comments
@ 2014-02-18 14:14 Morten Rasmussen
  2014-02-21 21:34 ` [tip:sched/core] " tip-bot for Morten Rasmussen
  2014-02-22 18:04 ` tip-bot for Morten Rasmussen
  0 siblings, 2 replies; 3+ messages in thread
From: Morten Rasmussen @ 2014-02-18 14:14 UTC (permalink / raw)
  To: linux-kernel; +Cc: Morten Rasmussen, Ingo Molnar, Peter Zijlstra

Brings select_task_rq_fair() description comments up-to-date.

Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Morten Rasmussen <morten.rasmussen@arm.com>
---
 kernel/sched/fair.c |   11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 966cc2b..fde412b 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4211,13 +4211,14 @@ done:
 }
 
 /*
- * sched_balance_self: balance the current task (running on cpu) in domains
- * that have the 'flag' flag set. In practice, this is SD_BALANCE_FORK and
- * SD_BALANCE_EXEC.
+ * select_task_rq_fair: Select target runqueue for the waking task in domains
+ * that have the 'sd_flag' flag set. In practice, this is SD_BALANCE_WAKE,
+ * SD_BALANCE_FORK, or SD_BALANCE_EXEC.
  *
- * Balance, ie. select the least loaded group.
+ * Balances load by selecting the idlest cpu in the idlest group, or under
+ * certain conditions an idle sibling cpu if the domain has SD_WAKE_AFFINE set.
  *
- * Returns the target CPU number, or the same CPU if no balancing is needed.
+ * Returns the target cpu number.
  *
  * preempt must be disabled.
  */
-- 
1.7.9.5



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2014-02-18 14:14 [PATCH] sched: Fix select_task_rq_fair() description comments Morten Rasmussen
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