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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 0328CC46475 for ; Tue, 23 Oct 2018 10:59:54 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8220120665 for ; Tue, 23 Oct 2018 10:59:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8220120665 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 42fVlW3Sj3zF36n for ; Tue, 23 Oct 2018 21:59:51 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=intel.com (client-ip=192.55.52.88; helo=mga01.intel.com; envelope-from=ying.huang@intel.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=intel.com Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42fMbf6FH9zDrbV for ; Tue, 23 Oct 2018 16:37:30 +1100 (AEDT) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Oct 2018 22:37:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,414,1534834800"; d="scan'208";a="99849695" Received: from yhuang-dev.sh.intel.com (HELO yhuang-dev) ([10.239.13.27]) by fmsmga004.fm.intel.com with ESMTP; 22 Oct 2018 22:37:02 -0700 From: "Huang\, Ying" To: Arun KS Subject: Re: [PATCH] mm: convert totalram_pages, totalhigh_pages and managed_pages to atomic. References: <1540229092-25207-1-git-send-email-arunks@codeaurora.org> Date: Tue, 23 Oct 2018 13:37:01 +0800 In-Reply-To: <1540229092-25207-1-git-send-email-arunks@codeaurora.org> (Arun KS's message of "Mon, 22 Oct 2018 22:53:22 +0530") Message-ID: <874lddxlz6.fsf@yhuang-dev.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=ascii X-Mailman-Approved-At: Tue, 23 Oct 2018 21:48:35 +1100 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mike Snitzer , Kemi Wang , dri-devel@lists.freedesktop.org, "J. Bruce Fields" , linux-sctp@vger.kernel.org, Paul Mackerras , Pavel Machek , Christoph Lameter , "K. Y. Srinivasan" , Sumit Semwal , "David \(ChunMing\) Zhou" , Petr Tesarik , ceph-devel@vger.kernel.org, "James E.J. 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Rodriguez" , coreteam@netfilter.org, Jozsef Kadlecsik , Andrey Ryabinin , linux-media@vger.kernel.org, YueHaibing , Todd Kjos , Philippe Ombredanne , Jani Nikula , Jia He , Tejun Heo , Shakeel Butt , Houlong Wei , devel@linuxdriverproject.org, Boris Ostrovsky , Martijn Coenen , linux-arm-kernel@lists.infradead.org, Khalid Aziz , Oded Gabbay , linaro-mm-sig@lists.linaro.org, linux-ntfs-dev@lists.sourceforge.net, Jonathan Corbet , Florian Westphal , Anna Schumaker , Pekka Enberg , Minchan Kim , Eric Biederman , "Aneesh Kumar K.V" , Martin Schwidefsky , Joonsoo Kim , Kate Stewart , Marcelo Ricardo Leitner , linux-fsdevel@vger.kernel.org, Tetsuo Handa , Joonas Lahtinen , Heiko Carstens , Stefan Agner , James Morris , netdev@vger.kernel.org, amd-gfx@lists.freedesktop.org, Jan Kara , Alexander Duyck , Gerrit Renker , Andy Shevchenko , Miklos Szeredi , David Hildenbrand , Matthew Wilcox , Konstantin Khlebnikov , Matthew Auld , Guo Ren , Alexey Kuznetsov , Ilya Dryomov , Alexey Dobriyan , Pablo Neira Ayuso , "Serge E. Hallyn" , Kees Cook , Arnd Bergmann , Haiyang Zhang , Mark Brown , Borislav Petkov , Rodrigo Vivi , Dan Williams , Mauro Carvalho Chehab , Dan Streetman , Oscar Salvador , linux-nfs@vger.kernel.org, Neil Horman , Tvrtko Ursulin , Jeff Layton , Eric Dumazet , Jessica Yu , Joe Perches , "David S. Miller" , "Kirill A. Shutemov" , Michal Hocko , Minghsiu Tsai , Christian =?utf-8?Q?K=C3=B6nig?= , "VMware, Inc." , Sebastian Andrzej Siewior , Chris Wilson , linux-mm@kvack.org, Alexander Potapenko , "H. Peter Anvin" , getarunks@gmail.com, Chintan Pandya , devel@driverdev.osuosl.org, "Yan, Zheng" , xen-devel@lists.xenproject.org, Sage Weil , dccp@vger.kernel.org, Richard Weinberger , Seth Jennings , x86@kernel.org, Ingo Molnar , Laura Abbott , Mimi Zohar , Jeff Dike , Pavel Tatashin , Jann Horn , Xavier Deguillard , Johannes Weiner , =?utf-8?B?SsOpcsO0bWU=?= Glisse , Kirill Tkhai , linux-mediatek@lists.infradead.org, Matthias Brugger , Tiffany Lin , linux-integrity@vger.kernel.org, Dmitry Vyukov , Juergen Gross , Yang Shi , Hideaki YOSHIFUJI , linuxppc-dev@lists.ozlabs.org, Vlad Yasevich , linux-decnet-user@lists.sourceforge.net, kexec@lists.infradead.org, linux-security-module@vger.kernel.org, Thomas Zimmermann , Mika Kuoppala , Mel Gorman Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Arun KS writes: > Remove managed_page_count_lock spinlock and instead use atomic > variables. > > Suggested-by: Michal Hocko > Suggested-by: Vlastimil Babka > Signed-off-by: Arun KS > > --- > As discussed here, > https://patchwork.kernel.org/patch/10627521/#22261253 My 2 cents. I think you should include at least part of the discussion in the patch description to make it more readable by itself. Best Regards, Huang, Ying