Re: [PATCH] sched/pelt: Fix bracket typo

From: Randy Dunlap
Date: Wed Jun 08 2022 - 14:42:10 EST



On 6/8/22 09:30, 龍帆軒 wrote:
>
>> Randy Dunlap <rdunlap@xxxxxxxxxxxxx <mailto:rdunlap@xxxxxxxxxxxxx>> 於 2022年6月8日 下午11:33 寫道:
>>
>>
>>
>> On 6/8/22 08:00, Steven Lung wrote:
>>> The second bracket describing the range is inverted, this patch
>>> will fix it.
>>>
>>> Signed-off-by: Steven Lung <1030steven@xxxxxxxxx <mailto:1030steven@xxxxxxxxx>>
>>> ---
>>> kernel/sched/pelt.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c
>>> index 0f3107682..ed82cfba9 100644
>>> --- a/kernel/sched/pelt.c
>>> +++ b/kernel/sched/pelt.c
>>> @@ -233,7 +233,7 @@ ___update_load_sum(u64 now, struct sched_avg *sa,
>>>  * When syncing *_avg with *_sum, we must take into account the current
>>>  * position in the PELT segment otherwise the remaining part of the segment
>>>  * will be considered as idle time whereas it's not yet elapsed and this will
>>> - * generate unwanted oscillation in the range [1002..1024[.
>>
>> Is the above the same as                   range [1002..1024).
>> ?  I.e. 1002-1023 inclusive (or 1024 excluded)?
>>
>>> + * generate unwanted oscillation in the range [1002..1024].
>>>  *
>>>  * The max value of *_sum varies with the position in the time segment and is
>>>  * equals to :
>>
>> --
>> ~Randy
>
> In the patch that the author submitted[1] for this comment, he mentioned that the value 1024 can be obtained. 
> So I think we should use brackets instead of parenthesis.
>
> [1]: https://lore.kernel.org/all/20200506155301.14288-1-vincent.guittot@xxxxxxxxxx/T/#u <https://lore.kernel.org/all/20200506155301.14288-1-vincent.guittot@xxxxxxxxxx/T/#u>

OK, thanks for the link.

--
~Randy