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

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Message-ID: <alpine.DEB.2.10.1710171357260.100885@chino.kir.corp.google.com>
Date:   Tue, 17 Oct 2017 13:59:38 -0700 (PDT)
From:   David Rientjes <rientjes@...gle.com>
To:     Michal Hocko <mhocko@...nel.org>
cc:     Yang Shi <yang.s@...baba-inc.com>, 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 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.