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=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_1 autolearn=no 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 55011C433E0 for ; Sun, 2 Aug 2020 13:24:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 30E822075B for ; Sun, 2 Aug 2020 13:24:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728255AbgHBNYt (ORCPT ); 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 ÔÚ 2020/8/2 ÏÂÎç7:09, Matthew Wilcox дµÀ: > 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