linux-kernel - Re: [Potential Spoof] [PATCH v2 0/5] mm: memcg accounting of percpu memory

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Message-ID: <20200617204705.GA24694@carbon.DHCP.thefacebook.com>
Date:   Wed, 17 Jun 2020 13:47:05 -0700
From:   Roman Gushchin <guro@...com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     Dennis Zhou <dennis@...nel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Shakeel Butt <shakeelb@...gle.com>, <linux-mm@...ck.org>,
        <kernel-team@...com>, <linux-kernel@...r.kernel.org>
Subject: Re: [Potential Spoof] [PATCH v2 0/5] mm: memcg accounting of percpu
 memory

On Wed, Jun 17, 2020 at 01:39:49PM -0700, Andrew Morton wrote:
> On Tue, 16 Jun 2020 14:19:01 -0700 Roman Gushchin <guro@...com> wrote:
> 
> > > 
> > > This version is based on top of v6 of the new slab controller
> > > patchset. The following patches are actually required by this series:
> > >   mm: memcg: factor out memcg- and lruvec-level changes out of __mod_lruvec_state()
> > >   mm: memcg: prepare for byte-sized vmstat items
> > >   mm: memcg: convert vmstat slab counters to bytes
> > >   mm: slub: implement SLUB version of obj_to_index()
> > >   mm: memcontrol: decouple reference counting from page accounting
> > >   mm: memcg/slab: obj_cgroup API
> > 
> > Hello, Andrew!
> > 
> > How this patchset should be routed: through the mm or percpu tree?
> > 
> > It has been acked by Dennis (the percpu maintainer), but it does depend
> > on first several patches from the slab controller rework patchset.
> 
> I can grab both.

Perfect, thanks!

> 
> > The slab controller rework is ready to be merged: as in v6 most patches
> > in the series were acked by Johannes and/or Vlastimil and no questions
> > or concerns were raised after v6.
> > 
> > Please, let me know if you want me to resend both patchsets.
> 
> There was quite a bit of valuable discussion in response to [0/n] which
> really should have been in the changelog[s] from day one. 
> slab-vs-slub, performance testing, etc.
> 
> So, umm, I'll take a look at both series now but I do think an enhanced
> [0/n] description is warranted?
> 

Yes, I'm running suggested tests right now, and will update on the results.

Thanks!