From: Florian Westphal <fw@strlen.de>
To: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Florian Westphal <fw@strlen.de>,
Vasily Averin <vasily.averin@linux.dev>,
Pablo Neira Ayuso <pablo@netfilter.org>,
kernel@openvz.org, Jozsef Kadlecsik <kadlec@netfilter.org>,
netfilter-devel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH nft] nft: memcg accounting for dynamically allocated objects
Date: Sat, 2 Apr 2022 01:01:58 +0200 [thread overview]
Message-ID: <20220401230158.GC28321@breakpoint.cc> (raw)
In-Reply-To: <YkdrRAiO1P7segcd@carbon.dhcp.thefacebook.com>
Roman Gushchin <roman.gushchin@linux.dev> wrote:
> On Fri, Apr 01, 2022 at 09:31:59PM +0200, Florian Westphal wrote:
> > But what task/memcg is used for the accounting in that case?
>
> Root memcg/no accounting, which is the same.
>
> There is a way to account for a specific memcg in such cases, it's used for
> bpf maps, for example. We save a pointer to the memcg which created the map and
> charge it for all allocations from a !in_task context.
Great, so we could use same scheme later on if its required for some
use case.
> so let's not do without regression tests and a serious need.
Sounds good. Thanks.
next prev parent reply other threads:[~2022-04-01 23:02 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220228122429.GC26547@breakpoint.cc>
2022-03-21 5:02 ` [PATCH v2] memcg: enable accounting for nft objects Vasily Averin
2022-03-22 10:25 ` Florian Westphal
2022-03-24 14:19 ` Pablo Neira Ayuso
2022-03-24 17:23 ` Vasily Averin
2022-03-24 18:05 ` [PATCH v2 RESEND] " Vasily Averin
2022-03-28 8:15 ` Pablo Neira Ayuso
2022-03-28 9:23 ` Vasily Averin
2022-03-31 8:40 ` [PATCH nft] nft: memcg accounting for dynamically allocated objects Vasily Averin
2022-03-31 18:45 ` Roman Gushchin
2022-04-01 12:03 ` Florian Westphal
2022-04-01 18:56 ` Vasily Averin
2022-04-01 19:31 ` Florian Westphal
2022-04-01 21:14 ` Roman Gushchin
2022-04-01 23:01 ` Florian Westphal [this message]
2022-04-02 8:55 ` Vasily Averin
2022-04-02 9:50 ` [PATCH v2] " Vasily Averin
2022-04-05 9:58 ` Pablo Neira Ayuso
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