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h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=PlXx4GCmusHDyEhr1tc9UGO1kB0k8P75h0J2Af90Eb0=; b=C71xcVSRSjaeoDJex4CEKEcoerOvy+E4WA/+DSQDqDB49Wr13yUCB24iY+Oz6p5Bfw HXGRW5QD6VlK5wJ/0lAtnxgeQPZkLgt1vfooZrqARafjDz/Vel6f1tYJIcxX7iMheEJp FByCIFRqLObbhi781Ec3pPiSV1ADgf/JVkremCUfCz1q/ovltlDhU7hVARXGix+ofKvX 65SUQ2HZM8cqDA479SV70SMOobAyQjQlu1DvkwcfQpk+7Lkfezgocfr2KU2YWMX6b1OF ngMwmerIxrntUskEAUQQlrDQRKZT2sEEBPtlwz0n/CrqXtC+YqumyR7J8ZrAerrqrSO7 dOWw== X-Gm-Message-State: APjAAAVF2u6QgYt/AC8qy5id8JwzyGUPihH2b8ogR+EAWZ/No90Hjrz/ 0Z5kEpUf7xA6SHoX9XuUTbVVBGeDUrIF9RMVu2+7AmmjvwJD9hlklnd1yycDnYhDoXghbvgCqOf n9lnbEqVlp8AaMW9wxEj7xGL8QYk= X-Received: by 2002:a9d:53c4:: with SMTP id i4mr12833305oth.48.1580124780169; Mon, 27 Jan 2020 03:33:00 -0800 (PST) X-Google-Smtp-Source: APXvYqy2WCKL3TcEQWLEGBx1bgWgRFFUvo6KJVLgtkrNqpfuMHkeNAswCT3gA+Mrw2sEoru3XQgdgZuxdIpa/3I3A0I= X-Received: by 2002:a9d:53c4:: with SMTP id i4mr12833293oth.48.1580124779964; Mon, 27 Jan 2020 03:32:59 -0800 (PST) MIME-Version: 1.0 References: <20200127101100.92588-1-ghalat@redhat.com> <063e702f-dc5f-b0ca-fe26-508a9f1e8e9a@I-love.SAKURA.ne.jp> In-Reply-To: <063e702f-dc5f-b0ca-fe26-508a9f1e8e9a@I-love.SAKURA.ne.jp> From: Grzegorz Halat Date: Mon, 27 Jan 2020 12:32:48 +0100 Message-ID: Subject: Re: [PATCH 1/1] mm: sysctl: add panic_on_mm_error sysctl To: Tetsuo Handa , Aaron Tomlin Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, Stan Saner , Oleksandr Natalenko , Vratislav Bendel , kirill@shutemov.name, khlebnikov@yandex-team.ru, borntraeger@de.ibm.com, Andrew Morton , Iurii Zaikin , Kees Cook , Luis Chamberlain , Jonathan Corbet X-MC-Unique: dRWeOyeLPjmFTJOqa50IFQ-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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 Mon, 27 Jan 2020 at 11:43, Tetsuo Handa wrote: > > Maybe panic_on_inconsistent_mm is better, for an MM error sounds too gene= ric > (e.g. is page allocation failure an error, is OOM killer an error, > is NULL pointer dereference an error, is use-after-free access an error) = ? > yes, panic_on_inconsistent_mm is better > Also, should this be in /proc/sys/vm/ than /proc/sys/kernel/ ? Agreed I will wait a day or two for more feedback and send V2 with sysctl named as 'vm.panic_on_inconsistent_mm'. Thanks, -- Grzegorz Halat