From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ua1-f71.google.com (mail-ua1-f71.google.com [209.85.222.71]) by kanga.kvack.org (Postfix) with ESMTP id 85E378E0002 for ; Mon, 14 Jan 2019 09:03:04 -0500 (EST) Received: by mail-ua1-f71.google.com with SMTP id c26so1522501uap.13 for ; Mon, 14 Jan 2019 06:03:04 -0800 (PST) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id e15sor322585vsa.13.2019.01.14.06.03.03 for (Google Transport Security); Mon, 14 Jan 2019 06:03:03 -0800 (PST) MIME-Version: 1.0 References: <20190114125903.24845-1-david@redhat.com> <20190114125903.24845-6-david@redhat.com> In-Reply-To: <20190114125903.24845-6-david@redhat.com> From: Geert Uytterhoeven Date: Mon, 14 Jan 2019 15:02:50 +0100 Message-ID: Subject: Re: [PATCH v2 5/9] m68k/mm: use __ClearPageReserved() Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: David Hildenbrand Cc: Linux MM , Linux Kernel Mailing List , Linux ARM , linux-m68k , linuxppc-dev , linux-riscv@lists.infradead.org, linux-s390 , linux-mediatek@lists.infradead.org, Andrew Morton , Michal Hocko , Matthew Wilcox On Mon, Jan 14, 2019 at 1:59 PM David Hildenbrand wrote: > The PG_reserved flag is cleared from memory that is part of the kernel > image (and therefore marked as PG_reserved). Avoid using PG_reserved > directly. > > Cc: Geert Uytterhoeven > Cc: Andrew Morton > Cc: Michal Hocko > Cc: Matthew Wilcox > Signed-off-by: David Hildenbrand Acked-by: Geert Uytterhoeven BTW, it's a pity ctags doesn't know where __ClearPageReserved() is defined. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 714C3C43387 for ; Mon, 14 Jan 2019 14:03:05 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 36E8C20657 for ; Mon, 14 Jan 2019 14:03:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 36E8C20657 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id CB2D18E0003; Mon, 14 Jan 2019 09:03:04 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C62828E0002; Mon, 14 Jan 2019 09:03:04 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B50C18E0003; Mon, 14 Jan 2019 09:03:04 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from mail-ua1-f71.google.com (mail-ua1-f71.google.com [209.85.222.71]) by kanga.kvack.org (Postfix) with ESMTP id 85E378E0002 for ; Mon, 14 Jan 2019 09:03:04 -0500 (EST) Received: by mail-ua1-f71.google.com with SMTP id c26so1522501uap.13 for ; Mon, 14 Jan 2019 06:03:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:mime-version :references:in-reply-to:from:date:message-id:subject:to:cc; bh=EPXQ005dpgnhxanjjmigJASoqbeog16GFnmkdoG8qpw=; b=K7JApS+u3vnIr0g8RApEys7ghBqxQKbwXda97yRVR7+chmfSyETtGFdEEaXHzvRodR DH/Ye37F91/5OQsm0j8qgeQqLsV8Qwu/wNm7vbk0B9poHAIAekNHCvF2Q6TY0hb1NHeq ebb7GEbce1tIqzqC/Z+jGp9ggHC9YFjFUhWsKoAfJKz9yUWSdFvIT/47OrRVlhthnz2n 8IdGJVopME0Ue3s+ZO7nQpsigO3xK+m24nTdWlDl+KDbTKD2onS22IFh+kfv9nWsrvjk AcQulSqRh6bM+4KCfnYEpZNVfhtpFcgpVK6NFk6w1yYKdRqViPZmChdbfpswfqrNcZTf mldw== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of geert.uytterhoeven@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=geert.uytterhoeven@gmail.com X-Gm-Message-State: AJcUukezf9ycGAWw0nnlLUTkS1YuikRQjI46buj2J6KzMW1V7wNZMhRx f3LkmE/CQoJVXo8nL90z6nchcaq0uXlXIVaKKxwOlyOsmifSSfstlDVunEeBCTOU4COQHd34eik nRME7UVVVN3lrJg9d0Z9XrwL5koDerkKtaje2HRuIeK3DxfzSbJjKnUdgG6ppV7eqGfLD9JteP6 jgqCg8lGgYT6ej9pZO1eTPsZ9Yz45327NCNBwtjCbszTPI1bWZgU/mFHERBvLG46dVWu/opEEug Puc1TmGiEqnzmQYrH23cwlNrHKdLFq8ShTVX4zzCIxq9MP6yHfE0+kHXHhnPhn40RHn3Fo6HkRE GuDzQvzz62tBcL+uszZFZaYKNFiulWqcevt9TH0F/IoLgzDqjU5466zpIOJ/Vc3xwW4wmpYIEg= = X-Received: by 2002:ab0:8d9:: with SMTP id o25mr9554226uaf.127.1547474584160; Mon, 14 Jan 2019 06:03:04 -0800 (PST) X-Received: by 2002:ab0:8d9:: with SMTP id o25mr9554206uaf.127.1547474583359; Mon, 14 Jan 2019 06:03:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1547474583; cv=none; d=google.com; s=arc-20160816; b=QsR0uN2O/L4XsRvfeRuw8QFRXAYCLMvG4ktzto8HbQ3GQdRgaMmRVRejP8eESjZPwg bW6pRhvG9ChdAZLtim+ofeyJt9su8fTh3BiJPJoIxtb67iNQn2IHMcsLmt3RF7dwCIMy LSnzEtuERci/emWXiLEtsdcBVxW4G84OmRcbSbHK+Ix6PeMzm0PzZVk0O2JLHkoxZAWi CAmrMjSWrbdl7pyfcJ6LH/QcY8MqGhL4gnFdCeE0Mu/vPwPEfEJJHrv+FB9C87mnwhfe Dk/vEpVgG75u+Ez2OwjXtSMDrwpf9v58sxW8Z59AUEd9ySE5/lX8Xm2n63eusqBi44a0 25Tg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version; bh=EPXQ005dpgnhxanjjmigJASoqbeog16GFnmkdoG8qpw=; b=QtR/4uavM/gb5y1m0Stu5Mpk83r3yhKUMww4LLciMwxNT8CDTS8OIvC92Jp9wm3sm5 nMyVUyqRShN+PA6wKGyN3MTBdqHJ2rGzc0H6tDa2cCy0RCUxm3oSFZYCeJhdrlzNyuOA i+lr48mSZ0t/y70t62yBDmn3JrHWfWIuFvjE+/4v/IsLkVflo+MmFgfWmBKHQwhmffTi R4V+HQOx0+vcZwYxvDc9nwhvqK6CoXg3X1e/44GbmT9eZb2Ccc1WfWmDkmzrEPPld3zf OP2SswylDUXbs4cdCYoXtX+6On9jEJ4YlZif7vtwvZVC8IsT+5kG9lXe9JmwY5+/TKps uXBg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of geert.uytterhoeven@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=geert.uytterhoeven@gmail.com Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id e15sor322585vsa.13.2019.01.14.06.03.03 for (Google Transport Security); Mon, 14 Jan 2019 06:03:03 -0800 (PST) Received-SPF: pass (google.com: domain of geert.uytterhoeven@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; spf=pass (google.com: domain of geert.uytterhoeven@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=geert.uytterhoeven@gmail.com X-Google-Smtp-Source: ALg8bN5wYMxOtX3lY+uzxTqd21QEfqP1458GnLRYAHGRLaMnhFDHkh8ZI6dVlRF3u0c0V7r+jYFPOiKxVX+duKm+d8A= X-Received: by 2002:a67:f43:: with SMTP id 64mr10255483vsp.166.1547474582599; Mon, 14 Jan 2019 06:03:02 -0800 (PST) MIME-Version: 1.0 References: <20190114125903.24845-1-david@redhat.com> <20190114125903.24845-6-david@redhat.com> In-Reply-To: <20190114125903.24845-6-david@redhat.com> From: Geert Uytterhoeven Date: Mon, 14 Jan 2019 15:02:50 +0100 Message-ID: Subject: Re: [PATCH v2 5/9] m68k/mm: use __ClearPageReserved() To: David Hildenbrand Cc: Linux MM , Linux Kernel Mailing List , Linux ARM , linux-m68k , linuxppc-dev , linux-riscv@lists.infradead.org, linux-s390 , linux-mediatek@lists.infradead.org, Andrew Morton , Michal Hocko , Matthew Wilcox Content-Type: text/plain; charset="UTF-8" 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: Message-ID: <20190114140250.PoZ84e97C6SHV47d03P_Uw35_P5qfhMdvikvX43n4MA@z> On Mon, Jan 14, 2019 at 1:59 PM David Hildenbrand wrote: > The PG_reserved flag is cleared from memory that is part of the kernel > image (and therefore marked as PG_reserved). Avoid using PG_reserved > directly. > > Cc: Geert Uytterhoeven > Cc: Andrew Morton > Cc: Michal Hocko > Cc: Matthew Wilcox > Signed-off-by: David Hildenbrand Acked-by: Geert Uytterhoeven BTW, it's a pity ctags doesn't know where __ClearPageReserved() is defined. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds