linux-kernel - Re: [PATCH 2/3] mm: oom: show unreclaimable slab info when kernel panic

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Date:   Wed, 27 Sep 2017 16:59:31 -0500 (CDT)
From:   Christopher Lameter <cl@...ux.com>
To:     Yang Shi <yang.s@...baba-inc.com>
cc:     Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        akpm@...ux-foundation.org, mhocko@...nel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] mm: oom: show unreclaimable slab info when kernel
 panic

On Thu, 28 Sep 2017, Yang Shi wrote:
> > CONFIG_SLABINFO? How does this relate to the oom info? /proc/slabinfo
> > support is optional. Oom info could be included even if CONFIG_SLABINFO
> > goes away. Remove the #ifdef?
>
> Because we want to dump the unreclaimable slab info in oom info.

CONFIG_SLABINFO and /proc/slabinfo have nothing to do with the
unreclaimable slab info.