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[71.184.117.43]) by smtp.gmail.com with ESMTPSA id y21sm3086872qto.15.2020.02.14.04.24.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 14 Feb 2020 04:24:16 -0800 (PST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Qian Cai Mime-Version: 1.0 (1.0) Subject: Re: [PATCH] mm: mempolicy: use VM_BUG_ON_VMA in queue_pages_test_walk() Date: Fri, 14 Feb 2020 07:24:15 -0500 Message-Id: <5AF60E86-F9CB-47AD-9E2C-87EE025911DF@lca.pw> References: <20200213212639.90c5eef95e4e3a4211dcf0a9@linux-foundation.org> Cc: Yang Shi , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Li Xinhai In-Reply-To: <20200213212639.90c5eef95e4e3a4211dcf0a9@linux-foundation.org> To: Andrew Morton X-Mailer: iPhone Mail (17D50) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Feb 14, 2020, at 12:26 AM, Andrew Morton wr= ote: >=20 > I think it's OK. If this ever triggers the kernel is dead, so the > volume of output isn't a problem. And if it triggers, the more info > the better. Well, I could think of millions of ways to just add more info for those theo= retical assertion places where we will eventually be running out of review b= andwidth if people start to =E2=80=9Cabuse=E2=80=9D it. Anyway, if maintaine= rs are willing to take risks on that path, I=E2=80=99ll not complain.=