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 4/9] memcg: accounting for fib_rules
Date: Tue, 9 Mar 2021 11:04:14 +0300 [thread overview]
Message-ID: <b0147a6c-ccf3-a7c1-0336-63304b811962@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/core/fib_rules.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index cd80ffe..65d8b1d 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -57,7 +57,7 @@ int fib_default_rule_add(struct fib_rules_ops *ops,
{
struct fib_rule *r;
- r = kzalloc(ops->rule_size, GFP_KERNEL);
+ r = kzalloc(ops->rule_size, GFP_KERNEL_ACCOUNT);
if (r == NULL)
return -ENOMEM;
@@ -541,7 +541,7 @@ static int fib_nl2rule(struct sk_buff *skb, struct nlmsghdr *nlh,
goto errout;
}
- nlrule = kzalloc(ops->rule_size, GFP_KERNEL);
+ nlrule = kzalloc(ops->rule_size, GFP_KERNEL_ACCOUNT);
if (!nlrule) {
err = -ENOMEM;
goto errout;
--
1.8.3.1
reply other threads:[~2021-03-09 8:04 UTC|newest]
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