From: Vasily Averin <vvs@virtuozzo.com>
To: cgroups@vger.kernel.org, linux-mm@kvack.org
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Vladimir Davydov <vdavydov.dev@gmail.com>
Subject: [PATCH 5/9] memcg: accounting for ip_fib caches
Date: Tue, 9 Mar 2021 11:04:22 +0300 [thread overview]
Message-ID: <6f182357-0a06-7f27-8684-22198725ac5d@virtuozzo.com> (raw)
Objects can be created from memcg-limited tasks
but its misuse may lead to host OOM.
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
---
net/ipv4/fib_trie.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 25cf387..8060524 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2380,11 +2380,11 @@ void __init fib_trie_init(void)
{
fn_alias_kmem = kmem_cache_create("ip_fib_alias",
sizeof(struct fib_alias),
- 0, SLAB_PANIC, NULL);
+ 0, SLAB_PANIC | SLAB_ACCOUNT, NULL);
trie_leaf_kmem = kmem_cache_create("ip_fib_trie",
LEAF_SIZE,
- 0, SLAB_PANIC, NULL);
+ 0, SLAB_PANIC | SLAB_ACCOUNT, NULL);
}
struct fib_table *fib_trie_table(u32 id, struct fib_table *alias)
--
1.8.3.1
reply other threads:[~2021-03-09 8:04 UTC|newest]
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