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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B6C5C43334 for ; Sat, 25 Jun 2022 09:31:46 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2A87C8E029C; Sat, 25 Jun 2022 05:31:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 230938E029A; Sat, 25 Jun 2022 05:31:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0D2128E029C; Sat, 25 Jun 2022 05:31:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id EF22E8E029A for ; Sat, 25 Jun 2022 05:31:45 -0400 (EDT) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay13.hostedemail.com (Postfix) with ESMTP id CD883607C1 for ; Sat, 25 Jun 2022 09:31:45 +0000 (UTC) X-FDA: 79616240970.19.EAFCA2A Received: from out199-8.us.a.mail.aliyun.com (out199-8.us.a.mail.aliyun.com [47.90.199.8]) by imf09.hostedemail.com (Postfix) with ESMTP id 6EBF714000F for ; Sat, 25 Jun 2022 09:31:44 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R391e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046059;MF=hsiangkao@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0VHKru9h_1656149498; Received: from B-P7TQMD6M-0146.local(mailfrom:hsiangkao@linux.alibaba.com fp:SMTPD_---0VHKru9h_1656149498) by smtp.aliyun-inc.com; Sat, 25 Jun 2022 17:31:40 +0800 Date: Sat, 25 Jun 2022 17:31:38 +0800 From: Gao Xiang To: cgel.zte@gmail.com Cc: viro@zeniv.linux.org.uk, hughd@google.com, ran.xiaokai@zte.com.cn, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] drop caches: skip tmpfs and ramfs Message-ID: Mail-Followup-To: cgel.zte@gmail.com, viro@zeniv.linux.org.uk, hughd@google.com, ran.xiaokai@zte.com.cn, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20220624182121.995294-1-ran.xiaokai@zte.com.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20220624182121.995294-1-ran.xiaokai@zte.com.cn> ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1656149505; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oemzQs6dJJc2wRLJZMUknmxodITqP/Ii+8M9A+43aCQ=; b=clSS8z8JsCaqXcig/mdfW509skU3DVhc9INbDcIiHgWRxbBiHOzw0PkzxH8OgBdYb28GqF bwu4H46h2hZFqCWr0Pu4Fx0nBUoEqdSKfF9ANP7rBrAAEyr65UxCB1Yom7E/BaElCRA/6o 5n119ZJ8ARM9j2bBp+0LtfvymlvGCRE= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=alibaba.com; spf=pass (imf09.hostedemail.com: domain of hsiangkao@linux.alibaba.com designates 47.90.199.8 as permitted sender) smtp.mailfrom=hsiangkao@linux.alibaba.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1656149505; a=rsa-sha256; cv=none; b=5WsdIpxTNsA5UdXj9+i0Dp1q0xiembPJx4zs8YleSFA6uEhafw6xsdnEQP4n6U2x/tw90w DK3zWubQmDpBADl39vBu8yqJMLK/ooSaNelKYz8icva7/OLl2j4yCb3pnJoyvIu+jmt+36 FuRRm9l4Oa5YMZT53yoiwH7pmIS/1S8= X-Rspamd-Queue-Id: 6EBF714000F Authentication-Results: imf09.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=alibaba.com; spf=pass (imf09.hostedemail.com: domain of hsiangkao@linux.alibaba.com designates 47.90.199.8 as permitted sender) smtp.mailfrom=hsiangkao@linux.alibaba.com X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: gsa5rbp7brtcpm5inqu1qzei7pytpbr6 X-HE-Tag: 1656149504-905195 X-Bogosity: Ham, tests=bogofilter, spamicity=0.001508, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Jun 24, 2022 at 06:21:21PM +0000, cgel.zte@gmail.com wrote: > From: Ran Xiaokai > > All tmpfs and ramfs pages have PG_dirty bit set > once they are allocated and added to the pagecache。So pages minor, ^ Chinese full stop here.. Thanks, Gao Xiang