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=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 2806BC06511 for ; Wed, 3 Jul 2019 06:56:47 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id EB38B21882 for ; Wed, 3 Jul 2019 06:56:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EB38B21882 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 7900B6B0006; Wed, 3 Jul 2019 02:56:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 73F4F8E0003; Wed, 3 Jul 2019 02:56:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 608CB8E0001; Wed, 3 Jul 2019 02:56:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) by kanga.kvack.org (Postfix) with ESMTP id 277F66B0006 for ; Wed, 3 Jul 2019 02:56:46 -0400 (EDT) Received: by mail-ed1-f70.google.com with SMTP id n49so955287edd.15 for ; Tue, 02 Jul 2019 23:56:46 -0700 (PDT) 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:subject:to:cc :references:from:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=9a4DMvwx+JdyrBKECHVH2r1vcYtXkBa5nQgMio/sS34=; b=Fv88nP4B9wLuUzewk4oJnJTL6e5uu0iYarExQJO+YxMhBk4H5Enn7+uMtoNr5hSzAI be+WmXLSzQKwaM1qy8vfZxooz+rYnGbdALHz+GsZulr5mbAG5lF8gonL/I3WQjQ69y96 tcIhvskuCIb+rm62JR4Acef1OgsJU2KAd5y4KZnJ1LeNj/MbqMLB9/5GmeVMhCNqvF96 aXN1WXp6J5awpAEJpEhAVt43lXTYD24VWTlm5UC71eJ7FP91s9NMKcdfzAQMzabiXtdY 3iOzgm8ib29sm+IdwZBqgZBJgUoxXGRDLY9wGufrGY2M3HggJ8uTlW5IKyWP0GTTf8j1 fOQQ== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of anshuman.khandual@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=anshuman.khandual@arm.com X-Gm-Message-State: APjAAAWOXUyfiZ2CB1quNELnmzl8vLVyvX5m3vFSYneQ8UN+PoRnOt8Y Lvv9kV8A164Hscx3IZhCzOSXFErfC+FYXrOQAgaRP5wSqtN29Wn3rs1kKNz6DcYgFvOOreTq9ls yFV57dJB6ydntXhpG4l3SQ/OCaZpu0pX3Aw5LexvxzZ45DCrSrOytGzHejAnfHl9TRQ== X-Received: by 2002:a50:b161:: with SMTP id l30mr41050425edd.278.1562137005752; Tue, 02 Jul 2019 23:56:45 -0700 (PDT) X-Google-Smtp-Source: APXvYqxPvoLAMuhPUmgWn9FJqQIkX1+BeNDM0ZheUztPuLovjbEKdygCHZ+Y5iPHR9N0vM54ENo6 X-Received: by 2002:a50:b161:: with SMTP id l30mr41050389edd.278.1562137005173; Tue, 02 Jul 2019 23:56:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1562137005; cv=none; d=google.com; s=arc-20160816; b=rZqPVARMYuy5TQNz0Mo18WQyp98QwLBrxJXDpcJa4zr2HctsKH+2WD5xo62EozKwYh XgpXwlZETgEvRTCagIIkKDiS4rDtT8jR4NlV3q6AcWpswJI3n/I6P4zfIKeSHVXM8IPK aoog89otXOSkQ3A3W95ACXs7vtfqL9dkgHjp75fTYCUkAntKztLPxaWgrTnEYRRN4iwm Ipyf4oYfkvNPQ2C+lt/S32Cmbh2/lF/alUQdkY3O/lDLGVgfaKLtXNuQ6/wCj6Z0lSO2 Alnv/jJuNF2thQ+ac+sK9egdQyJcIr0xwa8r/pe1NJX4HWG8XzCLet2o7VKuAGX7+VTk OKug== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:content-language:in-reply-to:mime-version :user-agent:date:message-id:from:references:cc:to:subject; bh=9a4DMvwx+JdyrBKECHVH2r1vcYtXkBa5nQgMio/sS34=; b=M53Owsry7ZLhVrIPsKFhGqEfFxkhTgr75kn7tfupnlZtEA49rOGkHlAqu+8KpFMMxU inDtFb0oDujDqTV7N8Xtz3ePkR849Y/QCkTo5PZr/1yJAUQTXzgq76fBddR0E2jESOa8 W7A9Pm1NeH0lmYgpX1sATVxIFLdj/mXLGUVmCQVdddUKygaBPu28vcMTTAVl8YynhEon Obbsf+wRIV7pw1Tb2vHRQsHFaijm+er1Ho2AA/2HcLVmLeACoYDuQ27/xcyuiqObJQl7 4kXsSAfAklzmaJOuDhG/qku1wNM/8k+JE7KzOdqZ7pn2LR5faU1PHpMwRqWAV+Bslzi5 fdEQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of anshuman.khandual@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=anshuman.khandual@arm.com Received: from foss.arm.com (foss.arm.com. [217.140.110.172]) by mx.google.com with ESMTP id k15si1322711edd.268.2019.07.02.23.56.44 for ; Tue, 02 Jul 2019 23:56:45 -0700 (PDT) Received-SPF: pass (google.com: domain of anshuman.khandual@arm.com designates 217.140.110.172 as permitted sender) client-ip=217.140.110.172; Authentication-Results: mx.google.com; spf=pass (google.com: domain of anshuman.khandual@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=anshuman.khandual@arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id DE7C02B; Tue, 2 Jul 2019 23:56:43 -0700 (PDT) Received: from [10.162.42.95] (p8cg001049571a15.blr.arm.com [10.162.42.95]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 02E933F718; Tue, 2 Jul 2019 23:58:34 -0700 (PDT) Subject: Re: [PATCH] mm/page_isolate: change the prototype of undo_isolate_page_range() To: Pingfan Liu , linux-mm@kvack.org Cc: Andrew Morton , Michal Hocko , Oscar Salvador , Qian Cai , linux-kernel@vger.kernel.org References: <1562075604-8979-1-git-send-email-kernelfans@gmail.com> From: Anshuman Khandual Message-ID: Date: Wed, 3 Jul 2019 12:27:08 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <1562075604-8979-1-git-send-email-kernelfans@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit 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 07/02/2019 07:23 PM, Pingfan Liu wrote: > undo_isolate_page_range() never fails, so no need to return value. > > Signed-off-by: Pingfan Liu > Cc: Andrew Morton > Cc: Michal Hocko > Cc: Oscar Salvador > Cc: Qian Cai > Cc: Anshuman Khandual > Cc: linux-kernel@vger.kernel.org Reviewed-by: Anshuman Khandual