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authorMorten Rasmussen <morten.rasmussen@arm.com>2014-02-18 14:14:24 +0000
committerIngo Molnar <mingo@kernel.org>2014-02-22 18:17:04 +0100
commitde91b9cb97fe68cb6ef0cfe9bee09d015c152af8 (patch)
tree1449cef60a88d6cf349ce71fbf3c7aca00acf96c /kernel/sched
parent144818422bfa272531250473b888394c21e6fe19 (diff)
sched: Fix select_task_rq_fair() description comments
Brings select_task_rq_fair() description comments up-to-date. Signed-off-by: Morten Rasmussen <morten.rasmussen@arm.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1392732864-10927-1-git-send-email-morten.rasmussen@arm.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/fair.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index e884e45982af..7982faf7223b 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4397,13 +4397,14 @@ 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.
*/