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[71.184.117.43]) by smtp.gmail.com with ESMTPSA id t3sm9253977qtc.8.2019.12.25.21.53.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Dec 2019 21:53:28 -0800 (PST) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable From: Qian Cai Mime-Version: 1.0 (1.0) Subject: Re: [PATCH] mm/page_owner: print largest memory consumer when OOM panic occurs Date: Thu, 26 Dec 2019 00:53:27 -0500 Message-Id: <95CD23C9-D10D-4E6A-BF53-A4C1A4DB281A@lca.pw> References: <20191226040114.8123-1-miles.chen@mediatek.com> Cc: Andrew Morton , Michal Hocko , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-mediatek@lists.infradead.org, wsd_upstream@mediatek.com In-Reply-To: <20191226040114.8123-1-miles.chen@mediatek.com> To: Miles Chen X-Mailer: iPhone Mail (17C54) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Dec 25, 2019, at 11:01 PM, Miles Chen wrote: >=20 > That is what the patch does -- targeting on the memory leakage which cause= s an OOM kernel panic, so the greatest consumer information helps (the amoun= t of leakage is big enough to cause an OOM kernel panic) >=20 > I've posted the number of real problems since 2019/5 I solved by this appr= oach. The point is in order to make your debugging patch upstream, it has to be ge= neral useful. Right now, it feels rather situational for me for the reasons g= iven in the previous emails.=