Message ID | 3266d45a10db6d22e3978eacbe2683d43aec3100.1530716899.git.yi.z.zhang@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 11E94603D7 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 4 Jul 2018 06:52:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ED87528BD9 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 4 Jul 2018 06:52:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E065C28CBD; Wed, 4 Jul 2018 06:52:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=BAYES_00, DATE_IN_FUTURE_06_12, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8099728BD9 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 4 Jul 2018 06:52:11 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 537A26B026B; Wed, 4 Jul 2018 02:52:10 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 4E6106B026C; Wed, 4 Jul 2018 02:52:10 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3D6A16B026D; Wed, 4 Jul 2018 02:52:10 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-pg0-f71.google.com (mail-pg0-f71.google.com [74.125.83.71]) by kanga.kvack.org (Postfix) with ESMTP id EF7736B026B for <linux-mm@kvack.org>; Wed, 4 Jul 2018 02:52:09 -0400 (EDT) Received: by mail-pg0-f71.google.com with SMTP id n3-v6so2019449pgp.21 for <linux-mm@kvack.org>; Tue, 03 Jul 2018 23:52:09 -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:from:to:cc :subject:date:message-id:in-reply-to:references; bh=XrrUdBPXE3xjAPAtV9zEB6GYpie7CzgBFU1OeXXPa+s=; b=J2GQk7FJrzpJ8cymTh4WyIuL3tNPIYyoDifhhNzH92MvSaOuDej677O43j6zuYS9pm U9n/sr5vrsh9ysq/ZjqFNX6cwm1uDitWTL/I7LPODw7alrIGEu3Xv1+y3uVg2nRxhZLy GlgYOJbU7LaGTF4uI32RtzoOf+FQHorPaxB+Ms+vl0+oErkcc7c2lqzwtErCOHnsQ0ZZ G41Agk69LNtJY4P9JRLdQotAeiQZ9sQSCD5i/Wwe+PZ9NjlXUTJ6aU/HQldh37NbwszF i5MSVC4juyG1gL/v5N6/QM8SULNBkBkGdUhvdtZNokkp2r1rwN3qjq9nKCfGEhefxAhi W/Iw== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of yi.z.zhang@linux.intel.com designates 192.55.52.88 as permitted sender) smtp.mailfrom=yi.z.zhang@linux.intel.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Gm-Message-State: APt69E0QEPLixe23jE6dYTmqSPa9FpaWf30IdbgzMb7UhZLQ5CGfPkET GmUaKKqYCkGZZmux6Ltit9JCQuCl9MdAiT5/Ix6W1ZVQ5aKZL8m9pVwA3YW05GPvcXws5IKTUoL /7l3jRUbxwfq0OnNFKhsEuPAwKXNENyqdAMeR+KDCabJ5AulOHxj+CnbBHslwnxQk7Q== X-Received: by 2002:a62:6f86:: with SMTP id k128-v6mr908498pfc.150.1530687129679; Tue, 03 Jul 2018 23:52:09 -0700 (PDT) X-Google-Smtp-Source: AAOMgpe24EyHdaQ0Ash3IE4A/d/eBoHUNOoR4Lr1pvtSlZb3NtzbbeBXFLHsCsjXmKCPGROKxSy+ X-Received: by 2002:a62:6f86:: with SMTP id k128-v6mr908459pfc.150.1530687128991; Tue, 03 Jul 2018 23:52:08 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1530687128; cv=none; d=google.com; s=arc-20160816; b=c81285itIsiQye+JjZzI0VZthyiUJ8q22MoB7g5iq3i+yTc5Hsb94kCD/QY8xUNkVh zIPVHA41mGXsUiLBuQlRn8/lOSu6JIQLwdw2ki0MBfTG+6He67AWSpEMikeEp5Uid1Wc YN/DjpaVVSGwj8/46/2TiQB53mZFJ4E4O1mjIRzjWM9BfJ3CC10KR1Mv+2ZdLWQLT55J fR+lq4fnBym3ckHuajMjMmpMKp+plHGeK/Q7Pcp7/bYcaYviJNBHofzSRZtc3bdcexzm athfvJjEEkjtuoj3HmhtP1ni3foC5AM2gOH2v4bYg/sRMY0NmFqChPxFtOKwjKDLbzvz mMrg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :arc-authentication-results; bh=XrrUdBPXE3xjAPAtV9zEB6GYpie7CzgBFU1OeXXPa+s=; b=KWU+FMCYPxgnv6ZnXSQvMR2O2muEg1JV5Lb1R0TKavlp+yUK8d2gndB75ng2PPmcJT Ue64odM7jUSgfChGEENl03/zZbZCRDSXEjgUN95zt4mNdTjocGo7gWPwUrEDYC51T6fC 72REdiS6yI6ETGKErkMRJKq8PEOAIPEQLJU7bVnHwwgENUTqUzT7Ix3qUAmCmjNgs1AV heWLpSSKOJOiV7SyHWlI9dGl0csmxrz1rIFlzqyYLv8pENwm2w/S9sH1MQf+tp5ZZzgU HjQD/MHitr/Tm3ncox1oRIi7FZqa62yysBN46RO3bpKFFm/5PN2CagNeO/9VQaHgvCeT mSFw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of yi.z.zhang@linux.intel.com designates 192.55.52.88 as permitted sender) smtp.mailfrom=yi.z.zhang@linux.intel.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from mga01.intel.com (mga01.intel.com. [192.55.52.88]) by mx.google.com with ESMTPS id b17-v6si2731581pls.467.2018.07.03.23.52.08 for <linux-mm@kvack.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 03 Jul 2018 23:52:08 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of yi.z.zhang@linux.intel.com designates 192.55.52.88 as permitted sender) client-ip=192.55.52.88; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of yi.z.zhang@linux.intel.com designates 192.55.52.88 as permitted sender) smtp.mailfrom=yi.z.zhang@linux.intel.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Jul 2018 23:52:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,306,1526367600"; d="scan'208";a="64289430" Received: from linux.intel.com ([10.54.29.200]) by orsmga003.jf.intel.com with ESMTP; 03 Jul 2018 23:51:54 -0700 Received: from dazhang1-ssd.sh.intel.com (unknown [10.239.48.78]) by linux.intel.com (Postfix) with ESMTP id 89576580116; Tue, 3 Jul 2018 23:51:52 -0700 (PDT) From: Zhang Yi <yi.z.zhang@linux.intel.com> To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org, pbonzini@redhat.com, dan.j.williams@intel.com, jack@suse.cz, hch@lst.de, yu.c.zhang@intel.com Cc: linux-mm@kvack.org, rkrcmar@redhat.com, yi.z.zhang@intel.com, Zhang Yi <yi.z.zhang@linux.intel.com> Subject: [PATCH 1/3] kvm: remove redundant reserved page check Date: Wed, 4 Jul 2018 23:30:11 +0800 Message-Id: <3266d45a10db6d22e3978eacbe2683d43aec3100.1530716899.git.yi.z.zhang@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <cover.1530716899.git.yi.z.zhang@linux.intel.com> References: <cover.1530716899.git.yi.z.zhang@linux.intel.com> 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: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index c7b2e92..afb2e6e 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1673,12 +1673,8 @@ EXPORT_SYMBOL_GPL(kvm_release_pfn_dirty); void kvm_set_pfn_dirty(kvm_pfn_t pfn) { - if (!kvm_is_reserved_pfn(pfn)) { - struct page *page = pfn_to_page(pfn); - - if (!PageReserved(page)) - SetPageDirty(page); - } + if (!kvm_is_reserved_pfn(pfn)) + SetPageDirty(pfn_to_page(pfn)); } EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty);