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[180.214.232.19]) by smtp.gmail.com with ESMTPSA id d12-20020a17090a2a4c00b0021952b5e9bcsm2512980pjg.53.2022.11.30.00.41.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 30 Nov 2022 00:41:47 -0800 (PST) Message-ID: Date: Wed, 30 Nov 2022 15:41:37 +0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Subject: Re: [PATCH] mm: memcontrol: protect the memory in cgroup from being oom killed Content-Language: en-US To: chengkaitao , tj@kernel.org, lizefan.x@bytedance.com, hannes@cmpxchg.org, corbet@lwn.net, mhocko@kernel.org, roman.gushchin@linux.dev, shakeelb@google.com, akpm@linux-foundation.org, songmuchun@bytedance.com Cc: cgel.zte@gmail.com, ran.xiaokai@zte.com.cn, viro@zeniv.linux.org.uk, zhengqi.arch@bytedance.com, ebiederm@xmission.com, Liam.Howlett@Oracle.com, chengzhihao1@huawei.com, haolee.swjtu@gmail.com, yuzhao@google.com, willy@infradead.org, vasily.averin@linux.dev, vbabka@suse.cz, surenb@google.com, sfr@canb.auug.org.au, mcgrof@kernel.org, sujiaxun@uniontech.com, feng.tang@intel.com, cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Greg Kroah-Hartman References: <20221130070158.44221-1-chengkaitao@didiglobal.com> From: Bagas Sanjaya In-Reply-To: <20221130070158.44221-1-chengkaitao@didiglobal.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=NZrOB5Rg; spf=pass (imf10.hostedemail.com: domain of bagasdotme@gmail.com designates 209.85.214.172 as permitted sender) smtp.mailfrom=bagasdotme@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1669797708; a=rsa-sha256; cv=none; b=jV5VJHq6kT0ZoRAcHqxU378DiqB8Czy5witDKSvoNtWHnf+bJ9+dedjpUuxVjrH2LfCXvz OjjcaKP8Ni07QuPUfc1ZXpa2utXDMw76KGVVjjBTliwJdcB1fv0Nlw+a6MRG4ZGKXc6skR dqO1W59gJ2zlge7cd+98RhyHDrPYJhw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1669797708; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=bClHHbBrNItVLT5DDquRBOoDnrUpgqSvIIymdz67XbA=; b=QEFbo2vBzaI2WO/WMpQYX9qnlDOtN1tTgd7p2yzqEd3W4Lfhr+Zq2F7BbX/Abj+D1/+BD7 zGaOEwxrJeVntvI59AaORE4k4HtXGWzfwo12pHINYjldCrtb5PKxJ+60FV5pwkS2eG+Cat o1yyg7AustEHqm4n1YRC3IzuQT+oiqw= X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: A24F8C0011 Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=NZrOB5Rg; spf=pass (imf10.hostedemail.com: domain of bagasdotme@gmail.com designates 209.85.214.172 as permitted sender) smtp.mailfrom=bagasdotme@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-Stat-Signature: ts7yqzmrqs4eyh1wc9kd4tftjhq9ujjs X-HE-Tag: 1669797708-164799 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 11/30/22 14:01, chengkaitao wrote: > From: chengkaitao > Yikes! Another patch from ZTE guys. I'm suspicious to patches sent from them due to bad reputation with kernel development community. First, they sent all patches via cgel.zte@gmail.com (listed in Cc) but Greg can't sure these are really sent from them ([1] & [2]). Then they tried to workaround by sending from their personal Gmail accounts, again with same response from him [3]. And finally they sent spoofed emails (as he pointed out in [4]) - they pretend to send from ZTE domain but actually sent from their different domain (see raw message and look for X-Google-Original-From: header. I was about to review documentation part of this patch, but due to concerns above, I have to write this reply instead. So I'm not going to review, sorry for inconvenience. PS: Adding Greg to Cc: list. [1]: https://lore.kernel.org/lkml/Yw94xsOp6gvdS0UF@kroah.com/ [2]: https://lore.kernel.org/lkml/Yylv5hbSBejJ58nt@kroah.com/ [3]: https://lore.kernel.org/lkml/Y1EVnZS9BalesrC1@kroah.com/ [4]: https://lore.kernel.org/lkml/Y3NrBvIV7lH2GrWz@kroah.com/ -- An old man doll... just what I always wanted! - Clara