From: David Ahern <dsahern@gmail.com>
To: Vasily Averin <vvs@virtuozzo.com>,
cgroups@vger.kernel.org, Michal Hocko <mhocko@kernel.org>
Cc: linux-mm@kvack.org, Johannes Weiner <hannes@cmpxchg.org>,
Vladimir Davydov <vdavydov.dev@gmail.com>,
Shakeel Butt <shakeelb@google.com>,
"David S. Miller" <davem@davemloft.net>,
David Ahern <dsahern@kernel.org>,
Jakub Kicinski <kuba@kernel.org>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Subject: Re: [PATCH v2 4/8] memcg: accounting for ip_fib caches
Date: Mon, 15 Mar 2021 09:15:43 -0600 [thread overview]
Message-ID: <afe47a9a-ec1e-36cb-7184-96a4c457f1f4@gmail.com> (raw)
In-Reply-To: <d569bf43-b30a-02af-f7ad-ccc794a50589@virtuozzo.com>
On 3/15/21 6:23 AM, Vasily Averin wrote:
> An untrusted netadmin inside a memcg-limited container can create a
> huge number of routing entries. Currently, allocated kernel objects
> are not accounted to proper memcg, so this can lead to global memory
> shortage on the host and cause lot of OOM kiils.
>
> This patch enables accounting for ip_fib_alias and ip_fib_trie caches
> ---
> net/ipv4/fib_trie.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
Acked-by: David Ahern <dsahern@kernel.org>
next prev parent reply other threads:[~2021-03-15 15:43 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-09 8:03 [PATCH 0/9] memcg accounting from OpenVZ Vasily Averin
2021-03-09 21:12 ` Shakeel Butt
2021-03-10 10:17 ` Vasily Averin
2021-03-10 10:41 ` Michal Hocko
2021-03-11 7:00 ` Vasily Averin
2021-03-11 8:35 ` Michal Hocko
[not found] ` <360b4c94-8713-f621-1049-6bc0865c1867@virtuozzo.com>
2021-03-15 13:27 ` [PATCH v2 8/8] memcg: accounting for ldt_struct objects Borislav Petkov
2021-03-15 15:48 ` Shakeel Butt
2021-03-15 15:58 ` Michal Hocko
2021-03-15 15:59 ` Borislav Petkov
[not found] ` <85b5f428-294b-af57-f496-5be5fddeeeea@virtuozzo.com>
2021-03-15 15:13 ` [PATCH v2 1/8] memcg: accounting for fib6_nodes cache David Ahern
2021-03-15 15:23 ` Shakeel Butt
2021-03-15 17:09 ` Jakub Kicinski
2021-03-15 19:24 ` Shakeel Butt
2021-03-15 19:32 ` Roman Gushchin
2021-03-15 19:35 ` Jakub Kicinski
[not found] ` <8196f732-718e-0465-a39c-62668cc12c2b@virtuozzo.com>
2021-03-15 15:14 ` [PATCH v2 2/8] memcg: accounting for ip6_dst_cache David Ahern
[not found] ` <cb893761-cf6e-fa92-3219-712e485259b4@virtuozzo.com>
2021-03-15 15:14 ` [PATCH v2 3/8] memcg: accounting for fib_rules David Ahern
[not found] ` <d569bf43-b30a-02af-f7ad-ccc794a50589@virtuozzo.com>
2021-03-15 15:15 ` David Ahern [this message]
[not found] ` <4eb97c88-b87c-6f6e-3960-b1a61b46d380@virtuozzo.com>
2021-03-15 15:56 ` [PATCH v2 5/8] memcg: accounting for fasync_cache Shakeel Butt
2021-03-11 15:14 ` [PATCH 0/9] memcg accounting from OpenVZ Shakeel Butt
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