Messages in this thread | | | Date | Sat, 06 Oct 2012 17:04:50 +0800 | From | Michael Wang <> | Subject | Re: [PATCH] sched: rewrite the wrong annotation for select_task_rq_fair() |
| |
On 09/26/2012 11:43 AM, Michael Wang wrote: > On 09/18/2012 04:16 PM, Michael Wang wrote: >> The annotation for select_task_rq_fair() is wrong since commit c88d5910, it's >> actually for a removed function. >> >> This patch rewrite the wrong annotation to make it correct. > > Could I get some comments on this patch?
Hmm...no comments for a month...is that because there some wrong understanding while explain the function or I didn't follow the rule?
Please let me know if I have made any mistake so I could do better in future ;-)
Regards, Michael Wang
> > Regards, > Michael Wang > >> >> Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com> >> --- >> kernel/sched/fair.c | 14 ++++++++------ >> 1 files changed, 8 insertions(+), 6 deletions(-) >> >> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c >> index 6b800a1..35eb43a 100644 >> --- a/kernel/sched/fair.c >> +++ b/kernel/sched/fair.c >> @@ -2682,15 +2682,17 @@ 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 a suitable CPU for task p, in order to keep load balance. >> * >> - * Balance, ie. select the least loaded group. >> + * sd_flag: >> + * the domain we try to balance should have "sd_flag" flag set. >> * >> - * Returns the target CPU number, or the same CPU if no balancing is needed. >> + * wake_flags: >> + * indicate WF_SYNC. >> * >> - * preempt must be disabled. >> + * Must hold p->pi_lock and disable irq before invoke. >> + * Return the CPU number for task p to running on. >> */ >> static int >> select_task_rq_fair(struct task_struct *p, int sd_flag, int wake_flags) >> >
| |