linux-kernel - Re: memcg memory accounting in vmalloc is broken

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Message-ID: <YV6s+ze8LzuxfvOM@dhcp22.suse.cz>
Date:   Thu, 7 Oct 2021 10:16:59 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     Vasily Averin <vvs@...tuozzo.com>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Cgroups <cgroups@...r.kernel.org>, Linux MM <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        kernel@...nvz.org, Mel Gorman <mgorman@...e.de>,
        Uladzislau Rezki <urezki@...il.com>
Subject: Re: memcg memory accounting in vmalloc is broken

Cc Mel and Uladzislau

On Thu 07-10-21 10:13:23, Michal Hocko wrote:
> On Thu 07-10-21 11:04:40, Vasily Averin wrote:
> > vmalloc was switched to __alloc_pages_bulk but it does not account the memory to memcg.
> > 
> > Is it known issue perhaps?
> 
> No, I think this was just overlooked. Definitely doesn't look
> intentional to me.
> -- 
> Michal Hocko
> SUSE Labs

-- 
Michal Hocko
SUSE Labs