Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp35047121rwd; Mon, 10 Jul 2023 01:35:28 -0700 (PDT) X-Google-Smtp-Source: APBJJlHjc0RUIEXm03QETQMrO6KO8nKJA0Pq1KuqLNd8xsuEfpltBQ0gbLPkHySGcLHSFGamzKEq X-Received: by 2002:a17:906:7a58:b0:993:d9a5:dafe with SMTP id i24-20020a1709067a5800b00993d9a5dafemr9961624ejo.14.1688978128146; Mon, 10 Jul 2023 01:35:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1688978128; cv=none; d=google.com; s=arc-20160816; b=lIqjFUKrScPUSTbB0pwORkTqBMWQAIYJQUbqGgq3v2Pd2CGmDYfSB9ZdeSpMnZX0PU uU7YVoOYdtR4aqBn2YmRrvfcPglPtlfe5ludyyD+wAHyE8dmuUccAutay1SHgjBXrgps /ecF+gfh+XPEMAaYLSGUKTJAOQB4MzGTSfZOwgxZTrSakf+T2EEYIFik7IEd7hiK/c0w 6K5QWp7TjYgtGiywx02xoG2iykrydLcNmrsZzXiBlqpZtaYh+iilOl8tKt6llio4+0Mv KJ9fG2SWyQx6IJf5vfh1pA/LBgo5HkyExiYTVlRVjIKJlcjGYvwlSRP4KFV6MV6YzMhR uzHw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:dkim-signature:date; bh=n9tuM7x7sdkdTz1vJuUWwSMpjbCUd7FrZF1yh268yhM=; fh=E8MlcBC5QbYiVw3MLrzWaHvSDHIAwXZ/pWjBhR+9qm4=; b=gHxHRVWO6i409iv1QrJZLyIJJUZzWEOFO11KWFQdPvpAMa+ng5aDHEUkO1KkplN8FY Cah8h46OomeK7J7ZbX72fSlWSIHGs/T5TaLFI6Fmzk9OHzAO1WgDuL80W5E+q82kl6T4 o7obSUntNwzQSIDaYpNqaX1GaiGbIbPDbgpvuORLTh79SnmFb8bPBBbP01Nor7/rWRoe v2sG+zzhuOCzhq1kDMzn7ctBhbdGvUh1LfPdmoilD4xTuy1NktCtmpzv328dy2rdNM8T O899reQIggal+22jGW8YniEXCXIDtu4oeJgeJmIBoUPBAloTlXeN9RvF54So6cySnDIH fEmw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux.dev header.s=key1 header.b=HflLwFau; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.dev Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id le15-20020a170906ae0f00b00992d262fb29si8550671ejb.992.2023.07.10.01.35.04; Mon, 10 Jul 2023 01:35:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linux.dev header.s=key1 header.b=HflLwFau; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.dev Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232355AbjGJH5Z (ORCPT + 99 others); Mon, 10 Jul 2023 03:57:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232316AbjGJH5M (ORCPT ); Mon, 10 Jul 2023 03:57:12 -0400 Received: from out-48.mta1.migadu.com (out-48.mta1.migadu.com [95.215.58.48]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 66459118 for ; Mon, 10 Jul 2023 00:57:10 -0700 (PDT) Date: Mon, 10 Jul 2023 16:57:04 +0900 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1688975828; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=n9tuM7x7sdkdTz1vJuUWwSMpjbCUd7FrZF1yh268yhM=; b=HflLwFauEDFPndjysCLabIEEsHbQpnehHxmYPP0myQD0ct6d70W1KoHzVx7L20bwAftfH4 h4ZF72qp29qNtmRVdyFQAZGZeIetkwvdjBh5qr6zBDMJAmE61/+CG60fMzzp1LHQ+QvtNt xsan+4s/bmzykUn28s3YJ3ZK6f5bQ9o= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Naoya Horiguchi To: Miaohe Lin Cc: akpm@linux-foundation.org, naoya.horiguchi@nec.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/8] mm: memory-failure: use local variable huge to check hugetlb page Message-ID: <20230710075704.GD1686200@ik1-406-35019.vs.sakura.ne.jp> References: <20230708085744.3599311-1-linmiaohe@huawei.com> <20230708085744.3599311-5-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20230708085744.3599311-5-linmiaohe@huawei.com> X-Migadu-Flow: FLOW_OUT X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 08, 2023 at 04:57:40PM +0800, Miaohe Lin wrote: > Use local variable huge to check whether page is hugetlb page to avoid > calling PageHuge() multiple times to save cpu cycles. PageHuge() will > be stable while extra page refcnt is held. > > Signed-off-by: Miaohe Lin Acked-by: Naoya Horiguchi