On Thu, Nov 9, 2017 at 1:46 PM, Tetsuo Handa
wrote:
> Shakeel Butt wrote:
>> > If you can accept serialized register_shrinker()/unregister_shrinker(),
>> > I think that something like shown below can do it.
>>
>> If we assume that we will never do register_shrinker and
>> unregister_shrinker on th
Shakeel Butt wrote:
> > If you can accept serialized register_shrinker()/unregister_shrinker(),
> > I think that something like shown below can do it.
>
> If we assume that we will never do register_shrinker and
> unregister_shrinker on the same object in parallel then do we still
> need to do msl
>
> If you can accept serialized register_shrinker()/unregister_shrinker(),
> I think that something like shown below can do it.
>
Thanks.
> --
> diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
> index 388ff29..e2272dd 100644
> --- a/include/linux/shrinker.h
> +++ b/inclu
On 2017/11/09 2:37, Shakeel Butt wrote:
> In our production, we have observed that the job loader gets stuck for
> 10s of seconds while doing mount operation. It turns out that it was
> stuck in register_shrinker() and some unrelated job was under memory
> pressure and spending time in shrink_slab(
On Wed, Nov 08, 2017 at 05:07:08PM -0800, Shakeel Butt wrote:
> On Wed, Nov 8, 2017 at 4:07 PM, Minchan Kim wrote:
> > Hi,
> >
> > On Wed, Nov 08, 2017 at 09:37:40AM -0800, Shakeel Butt wrote:
> >> In our production, we have observed that the job loader gets stuck for
> >> 10s of seconds while doi
On Wed, Nov 8, 2017 at 4:07 PM, Minchan Kim wrote:
> Hi,
>
> On Wed, Nov 08, 2017 at 09:37:40AM -0800, Shakeel Butt wrote:
>> In our production, we have observed that the job loader gets stuck for
>> 10s of seconds while doing mount operation. It turns out that it was
>> stuck in register_shrinker
Hi,
On Wed, Nov 08, 2017 at 09:37:40AM -0800, Shakeel Butt wrote:
> In our production, we have observed that the job loader gets stuck for
> 10s of seconds while doing mount operation. It turns out that it was
> stuck in register_shrinker() and some unrelated job was under memory
> pressure and sp
(off list)
Shakeel Butt wrote:
> In our production, we have observed that the job loader gets stuck for
> 10s of seconds while doing mount operation. It turns out that it was
> stuck in register_shrinker() and some unrelated job was under memory
> pressure and spending time in shrink_slab(). Our
In our production, we have observed that the job loader gets stuck for
10s of seconds while doing mount operation. It turns out that it was
stuck in register_shrinker() and some unrelated job was under memory
pressure and spending time in shrink_slab(). Our machines have a lot
of shrinkers register
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