Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp1399574pxa; Sun, 2 Aug 2020 06:26:39 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxvrJbmURemE8NKGQrBVUUmWO4NY5IvVA4mt5zWgm5Db1mxQ2fjp36ZAA0qVkAZbqUS9XPe X-Received: by 2002:a50:a2e6:: with SMTP id 93mr11243646edm.147.1596374799734; Sun, 02 Aug 2020 06:26:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1596374799; cv=none; d=google.com; s=arc-20160816; b=TCOTCsv0LgH56ZeWJ3IkjdWf0zghTBXmN9PYW15dViNMVM1PoQbs0ePLqr4M2L88WP cP89BWl7vGL9PTXmuXVClyTWlSKxfAGHmIpgY1hVDkSt8GqRDuZaIM0Qh0Y4CJzbGqvf tfMcxIu0zkqXZiRBHGf3QxH4zozN1QE9+Q9wJUqPHq+LNMb9nx3IbKU8VQjdTDWmEmwq dIPNqU7Ml7OerqujlrOQPXprfcVY1XnzqgyNepByDZPV3h5mOuLYmk89kD8Mg6xLrSpd fc5+h2yLAKlpqovSp0y3YTZ/rOjGe0G2q5Stx3uKQO3mEnRbwJMaljc4TmKTTmAAV+2b kIiw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:in-reply-to :mime-version:user-agent:date:message-id:from:references:cc:to :subject; bh=JWFgBXfvgWxWMidXlAcYFU/+AdW0nQr3JhD88+IO2CE=; b=ZMs7GKwitDuWZhbIvJKWbr9727yIeiZzUMkn5256JyHwMWQtIRYg/zOej21RF7qhHw or3lqMTNKXaGxq20JYBzAIo3qVYXZcfECUxaSBxF3K3wn1MZ1m8mOKaDlb5BeJXZvA/Y ioRlBO5VG6srmsd9amc7wtIle5WmZE+8SdS4o6hHngQexdB4JRFaX6u+l1Ja68vscVgj covmDLsjDjdpydghXVvKAOKH3F3DE9lHAbJE+2QvhD4jZ63whtDdxxcmTQAjDUOAA8F7 UcG3o1uYQ6b3DV5YS6zflRQ0IawQTOtIFkWNN92sh49nSLPaFH35G5e/lH46ie5BgJ1T 8vog== ARC-Authentication-Results: i=1; mx.google.com; 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=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a26si8905383ejd.236.2020.08.02.06.26.17; Sun, 02 Aug 2020 06:26:39 -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; 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=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728172AbgHBNYt (ORCPT + 99 others); Sun, 2 Aug 2020 09:24:49 -0400 Received: from out30-56.freemail.mail.aliyun.com ([115.124.30.56]:50483 "EHLO out30-56.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726578AbgHBNYt (ORCPT ); Sun, 2 Aug 2020 09:24:49 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R211e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e07425;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=12;SR=0;TI=SMTPD_---0U4TmhiN_1596374683; Received: from IT-FVFX43SYHV2H.local(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0U4TmhiN_1596374683) by smtp.aliyun-inc.com(127.0.0.1); Sun, 02 Aug 2020 21:24:43 +0800 Subject: Re: [PATCH 4/4] mm/thp: narrow lru locking To: Matthew Wilcox Cc: Andrew Morton , Wei Yang , Hugh Dickins , "Kirill A. Shutemov" , Andrea Arcangeli , Johannes Weiner , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Thomas Gleixner , Sebastian Andrzej Siewior , Peter Zijlstra References: <1596254957-22560-1-git-send-email-alex.shi@linux.alibaba.com> <1596254957-22560-4-git-send-email-alex.shi@linux.alibaba.com> <20200802110925.GW23808@casper.infradead.org> From: Alex Shi Message-ID: <2504ea84-110c-cf8e-d2f7-0aab97f6121a@linux.alibaba.com> Date: Sun, 2 Aug 2020 21:24:32 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200802110925.GW23808@casper.infradead.org> Content-Type: text/plain; charset=gbk Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ?? 2020/8/2 ????7:09, Matthew Wilcox ะด??: > You're playing games with separating interrupt disabling from spinlocks. > Have you got any feedback from -rt people on this? Is there other suggestions to remove local_irq_disable? Just check again on kernel/mm directory on linux-next. there are still much local_irq_disable there. Guess we need a final solution instead of block new one. Thanks Alex