linux-kernel - memcg memory accounting in vmalloc is broken

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Message-ID: <b3c232ff-d9dc-4304-629f-22cc95df1e2e@virtuozzo.com>
Date:   Thu, 7 Oct 2021 11:04:40 +0300
From:   Vasily Averin <vvs@...tuozzo.com>
To:     Michal Hocko <mhocko@...nel.org>,
        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
Subject: memcg memory accounting in vmalloc is broken

vmalloc was switched to __alloc_pages_bulk but it does not account the memory to memcg.

Is it known issue perhaps?

thank you,
	Vasily Averin