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[23.128.96.18]) by mx.google.com with ESMTP id f13si347508edq.524.2020.08.26.07.38.35; Wed, 26 Aug 2020 07:38:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@cmpxchg-org.20150623.gappssmtp.com header.s=20150623 header.b=AEeeIKet; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=cmpxchg.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727833AbgHZOZy (ORCPT + 99 others); Wed, 26 Aug 2020 10:25:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726988AbgHZOZo (ORCPT ); Wed, 26 Aug 2020 10:25:44 -0400 Received: from mail-qv1-xf41.google.com (mail-qv1-xf41.google.com [IPv6:2607:f8b0:4864:20::f41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DD27C061756 for ; Wed, 26 Aug 2020 07:25:43 -0700 (PDT) Received: by mail-qv1-xf41.google.com with SMTP id b2so766564qvp.9 for ; Wed, 26 Aug 2020 07:25:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cmpxchg-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=0MQzhYw1eFCZ4OasAAPt/4uM+WwEYftpqDc/VYHMtbk=; b=AEeeIKetXtIdWWb5SAUNf0CT75v612rlaNccc1LnuJpBb5OvgTvnreoT4A4OjAHh83 2gkDSfW8afxE84LI039FqJeIhxV2oGZ4RnkHwrgT7gaJY5kFVxvgD7z3kcBB0nmwawYl CS15Jy0Be3rJh0nkvXUGExE957xE1b+7UhD8hCHGOAkgpPAPwOWMKzZ3o/gby8vQ+sfN wDB5+JA+w8e/Hdgudw8JPIy+J6slyE1vtbucRIPeRAxApuJujob6n7+1FX7GzcKFLkOs Chs9V5WR7ttQDJxLdP5QRuGU/ZbDFDC5QqvZOLj2rWLfNycVtJZza+7sI/jmL4cSLtEa UEUQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=0MQzhYw1eFCZ4OasAAPt/4uM+WwEYftpqDc/VYHMtbk=; b=uAnVeEDt3p7Vlv1V7+AtJvORMsSOVjwbIotJWa9XzhhDnXin2Q9bOPRWZOWdODx3Yu sP9qWtmDCC4Z4VKKaUs55I6Mo5TJ4qI17f5ybRE8drhJlOGqSoG67M3J301oDQHgt/iy xbtZpSC1oiiHDp7FSj6e92nlUqKgpi47NfBhZcNE0K9k7hSrApA2Fi1oBzwupduEhsHP kEoRN0J5bnofEpKZ9Q8osx/VaOic5eyfh9g1ESeY335XsI4EfrA6pdcwEKosxx9UflW3 CwK6bJBNLA93Dj/lJWNljBUwQvCcpsqAUo4gxFRwyuNQSEv2kPj93sTcpRvjQQ9uJblm IFjg== X-Gm-Message-State: AOAM531K/cxzaGNdQWGipEDnIJl8zcersWihR3jGeo17mSVz3C6Gel9h ltwIEygC9gMzwYQ5HnaxdEDqHQ== X-Received: by 2002:a0c:ea21:: with SMTP id t1mr14182769qvp.62.1598451942396; Wed, 26 Aug 2020 07:25:42 -0700 (PDT) Received: from localhost ([2620:10d:c091:480::1:67b9]) by smtp.gmail.com with ESMTPSA id a25sm2076443qtd.8.2020.08.26.07.25.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Aug 2020 07:25:41 -0700 (PDT) Date: Wed, 26 Aug 2020 10:24:27 -0400 From: Johannes Weiner To: "Matthew Wilcox (Oracle)" Cc: linux-mm@kvack.org, Andrew Morton , Hugh Dickins , William Kucharski , Jani Nikula , Alexey Dobriyan , Chris Wilson , Matthew Auld , Huang Ying , intel-gfx@lists.freedesktop.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/8] proc: Optimise smaps for shmem entries Message-ID: <20200826142427.GC988805@cmpxchg.org> References: <20200819184850.24779-1-willy@infradead.org> <20200819184850.24779-5-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200819184850.24779-5-willy@infradead.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 19, 2020 at 07:48:46PM +0100, Matthew Wilcox (Oracle) wrote: > Avoid bumping the refcount on pages when we're only interested in the > swap entries. > > Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Johannes Weiner