linux-kernel - Re: [PATCH v3 1/2] memcg: Prevent memcg caches to be both OFF_SLAB & OBJFREELIST

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Message-ID: <alpine.DEB.2.20.1611081750410.22914@east.gentwo.org>
Date:   Tue, 8 Nov 2016 17:51:46 -0600 (CST)
From:   Christoph Lameter <cl@...ux.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
cc:     Thomas Garnier <thgarnie@...gle.com>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Linux-MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Greg Thelen <gthelen@...gle.com>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Michal Hocko <mhocko@...nel.org>
Subject: Re: [PATCH v3 1/2] memcg: Prevent memcg caches to be both OFF_SLAB
 & OBJFREELIST_SLAB

On Mon, 7 Nov 2016, Andrew Morton wrote:

> > I will add more details and send another round.
>
> Please simply send the additional changelog text in this thread -
> processing an entire v4 patch just for a changelog fiddle is rather
> heavyweight.

I think this patch is good for future cleanup. We have had a case here
where an internal flag was passed to kmem_cache_create that caused issues
later. This should not happen. We need to guard against this in the
future.

Acked-by: Christoph Lameter <cl@...ux.com>