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From: Muchun Song In-Reply-To: <20230226131634.34366-1-ivan.orlov0322@gmail.com> Date: Mon, 27 Feb 2023 15:11:54 +0800 Cc: Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Tejun Heo , lizefan.x@bytedance.com, shuah@kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, skhan@linuxfoundation.org Content-Transfer-Encoding: 7bit Message-Id: <8C12D50C-97D1-4969-9D02-290B1AB56C72@linux.dev> References: <20230226131634.34366-1-ivan.orlov0322@gmail.com> To: Ivan Orlov X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: qcsm7o4ksmtegokbz7zsb7w41763xcwe X-Rspamd-Queue-Id: 49BBF40009 X-HE-Tag: 1677481958-312157 X-HE-Meta: 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 OqZn3bJs 4akJs1GvKS2Z02j/oGksm6BaRKhlI6f0Jht7HzMcwuPlAwXfTXEOYkmGBf1YaHdLyCn29J0hOpQSESxPIIm71Tnrc8Fsm+z2HsxHUryBwd3eWm/0IYewiz/WMSdJLooY/0rqMN7mBnUp1yUZ53Sp/gZGJpEYFdl42IHdgQkzI29sT9zG+fRU+A29GIM3vlmWqGZzaDWNPI9o0pduJp++kAa7deMxjg1O/0xOTVVq8dZ6poIpUA2A4EwN/8bRmXo5o4d65iW5rC67GbSliyzSzufTgYcG1O+JnwUsuAcFLpm0fk9uIsG8+WbsCFw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Feb 26, 2023, at 21:16, Ivan Orlov wrote: > > There are several 'malloc' calls in test_memcontrol, which can be > unsuccessful. This patch will add 'malloc' failures checking to > give more details about test's fail reasons and avoid possible > undefined behavior during the future null dereference (like the > one in alloc_anon_50M_check_swap function). > > Signed-off-by: Ivan Orlov Reviewed-by: Muchun Song Thanks.