linux-kernel - Re: [PATCH 3/3] mm: oom: show unreclaimable slab info when unreclaimable slabs

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Message-ID: <7ac4f9f6-3c3d-c1df-e60f-a519650cd330@alibaba-inc.com>
Date:   Wed, 18 Oct 2017 05:40:06 +0800
From:   "Yang Shi" <yang.s@...baba-inc.com>
To:     David Rientjes <rientjes@...gle.com>,
        Michal Hocko <mhocko@...nel.org>
Cc:     cl@...ux.com, penberg@...nel.org, iamjoonsoo.kim@....com,
        akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] mm: oom: show unreclaimable slab info when
 unreclaimable slabs > user memory



On 10/17/17 1:59 PM, David Rientjes wrote:
> On Tue, 17 Oct 2017, Michal Hocko wrote:
> 
>> On Mon 16-10-17 17:15:31, David Rientjes wrote:
>>> Please simply dump statistics for all slab caches where the memory
>>> footprint is greater than 5% of system memory.
>>
>> Unconditionally? User controlable?
> 
> Unconditionally, it's a single line of output per slab cache and there
> can't be that many of them if each is using >5% of memory.

So，you mean just dump the single slab cache if its size > 5% of system 
memory instead of all slab caches?

Thanks,
Yang

>