Messages in this thread Patch in this message | | | Date | Fri, 21 Feb 2014 13:34:26 -0800 | From | tip-bot for Morten Rasmussen <> | Subject | [tip:sched/core] sched: Fix select_task_rq_fair() description comments |
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Commit-ID: 183d5fc846e6653530567810397750f922d374cf Gitweb: http://git.kernel.org/tip/183d5fc846e6653530567810397750f922d374cf Author: Morten Rasmussen <morten.rasmussen@arm.com> AuthorDate: Tue, 18 Feb 2014 14:14:24 +0000 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Fri, 21 Feb 2014 21:43:21 +0100
sched: Fix select_task_rq_fair() description comments
Brings select_task_rq_fair() description comments up-to-date.
Cc: Ingo Molnar <mingo@redhat.com> Cc: Ingo Molnar <mingo@redhat.com> 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> --- 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 fb6f220..37ee473 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. */
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