Re: [tip:sched/core] sched/core: Make some functions static

From: YueHaibing
Date: Thu Apr 18 2019 - 09:17:53 EST



On 2019/4/18 20:48, Ingo Molnar wrote:
>
> * tip-bot for YueHaibing <tipbot@xxxxxxxxx> wrote:
>
>> Commit-ID: 16e671afb70f28eb189136d1395c59dafecd270a
>> Gitweb: https://git.kernel.org/tip/16e671afb70f28eb189136d1395c59dafecd270a
>> Author: YueHaibing <yuehaibing@xxxxxxxxxx>
>> AuthorDate: Fri, 22 Mar 2019 22:31:53 +0800
>> Committer: Ingo Molnar <mingo@xxxxxxxxxx>
>> CommitDate: Thu, 18 Apr 2019 14:19:25 +0200
>>
>> sched/core: Make some functions static
>>
>> Fix these sparse warnings:
>>
>> kernel/sched/core.c:6576:11: warning: symbol 'max_cfs_quota_period' was not declared. Should it be static?
>> kernel/sched/core.c:6577:11: warning: symbol 'min_cfs_quota_period' was not declared. Should it be static?
>> kernel/sched/core.c:6657:5: warning: symbol 'tg_set_cfs_quota' was not declared. Should it be static?
>> kernel/sched/core.c:6670:6: warning: symbol 'tg_get_cfs_quota' was not declared. Should it be static?
>> kernel/sched/core.c:6683:5: warning: symbol 'tg_set_cfs_period' was not declared. Should it be static?
>> kernel/sched/core.c:6693:6: warning: symbol 'tg_get_cfs_period' was not declared. Should it be static?
>> kernel/sched/fair.c:2596:6: warning: symbol 'task_tick_numa' was not declared. Should it be static?
>
> So unless this is somehow version dependent or other changes interfered,
> this patch wasn't tested very well:

Well, this patch is sent before commit 2e8e19226398 ("sched/fair: Limit sched_cfs_period_timer() loop

to avoid hard lockup") merged, which use max_cfs_quota_period in kernel/sched/fair.c

I can rework patch and send v2.

>
> kernel/sched/fair.o: In function `sched_cfs_period_timer':
> fair.c:(.text+0x920c): undefined reference to `max_cfs_quota_period'
> fair.c:(.text+0x9214): undefined reference to `max_cfs_quota_period'
>
> skipping it for now.
>
> Thanks,
>
> Ingo
>
> .
>