linux-kernel - Re: [PATCH 2/4] mm: support nesting memalloc_use

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Message-ID: <20200824171314.GA17113@dschatzberg-fedora-PC0Y6AEN.dhcp.thefacebook.com>
Date:   Mon, 24 Aug 2020 13:13:14 -0400
From:   Dan Schatzberg <schatzberg.dan@...il.com>
To:     Roman Gushchin <guro@...com>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Shakeel Butt <shakeelb@...gle.com>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        Jens Axboe <axboe@...nel.dk>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Jan Kara <jack@...e.cz>, Amir Goldstein <amir73il@...il.com>,
        Tejun Heo <tj@...nel.org>, Li Zefan <lizefan@...wei.com>,
        Michal Hocko <mhocko@...nel.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Chris Down <chris@...isdown.name>,
        Yafang Shao <laoar.shao@...il.com>,
        Yang Shi <yang.shi@...ux.alibaba.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        Michel Lespinasse <walken@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "open list:BLOCK LAYER" <linux-block@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:FILESYSTEMS (VFS and infrastructure)" 
        <linux-fsdevel@...r.kernel.org>,
        "open list:CONTROL GROUP (CGROUP)" <cgroups@...r.kernel.org>,
        "open list:CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)" 
        <linux-mm@...ck.org>
Subject: Re: [PATCH 2/4] mm: support nesting memalloc_use_memcg()

On Mon, Aug 24, 2020 at 09:19:01AM -0700, Roman Gushchin wrote:
> Hi Dan,
> 
> JFYI: I need a similar patch for the bpf memory accounting rework,
> so I ended up sending it separately (with some modifications including
> different naming): https://lkml.org/lkml/2020/8/21/1464 .
> 
> Can you please, rebase your patchset using this patch?
> 
> I hope Andrew can pull this standalone patch into 5.9-rc*,
> as Shakeel suggested. It will help us to avoid merge conflicts
> during the 5.10 merge window.
> 
> Thanks!

Yeah I mentioned it in the cover letter and linked to your patch. I
had not realized the naming change, so I can rebase on top of that -
I'll wait to see if there's other feedback first.