Re: [patch] sched/autogroup: Fix 64bit kernel nice adjustment

From: Michael Kerrisk (man-pages)
Date: Wed Nov 23 2016 - 09:20:59 EST


On 11/23/2016 03:12 PM, Mike Galbraith wrote:
> On Wed, 2016-11-23 at 14:47 +0100, Michael Kerrisk (man-pages) wrote:
>> Hello Mike,
>>
>> On 11/23/2016 11:33 AM, Mike Galbraith wrote:
>>> On Tue, 2016-11-22 at 16:59 +0100, Michael Kerrisk (man-pages)
>>> wrote:
>>>
>>>> ┌─────────────────────────────────────────────────────┐
>>>> │FIXME │
>>>> ├─────────────────────────────────────────────────────┤
>>>> │Regarding the previous paragraph... My tests indi‐ │
>>>> │cate that writing *any* value to the autogroup file │
>>>> │causes the task group to get a lower priority. This │
>>>
>>> Because autogroup didn't call the then meaningless scale_load()...
>>
>> So, does that mean that this buglet kicked in starting (only) in
>> Linux 4.7 with commit 2159197d66770ec01f75c93fb11dc66df81fd45b?
>
> Yeah, that gave it teeth.

Thanks for the confirmation. Are you aiming to see the fix
merged for 4.9, or will this wait for 4.10?

Cheers,

Michael



--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/