Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp1232762ybl; Thu, 12 Dec 2019 11:43:43 -0800 (PST) X-Google-Smtp-Source: APXvYqxcHdEMCwUL2DuVB38PKwu6ndAQQVw9BmDXHJz3/dpvnzqwne+Jicwd/YV1emBy4cRkxXsi X-Received: by 2002:a9d:6183:: with SMTP id g3mr10163430otk.304.1576179822895; Thu, 12 Dec 2019 11:43:42 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1576179822; cv=none; d=google.com; s=arc-20160816; b=JzYG8HH8R6hhI94KGYX14uPFh6WCj7y4pusmN+6iDlvIEugo0q5WM7hqX+s9DjRrtt fbedp0L83Q9F3Hi7ewIgjr6HwpdbqI35uLBZjnr6VSGeW2M3kxAdvDvj9j5uKAVcYG95 OjtI3ADCdGFahJaln4s6qZ9D5C3yX2vT02WKyok8HLcTnxZFswNZ7oyopule2OSn7OGI GtKIN9IIzL/Y0PR6H780xliRf20u3xVMiJM7m3s6fCVjfnP3Y3pi20EvuFMwmynjmZNG ZCclAO9WSk9WFaCbb2hX0c+BrtYGunU7YZHOiDXMCE5+Ci6DuBG3bmcrXEz9tfipqDn8 8XwQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:mail-followup-to :message-id:subject:cc:to:from:date; bh=5lY449DzEEarH0FA/NLFI1LHurGV0UJRFWovVAtt71c=; b=pcbNohL4yl6ikGohS9yzirhkJPeNz+3DHRM/05LkQgxgN4DNd2yJfMc12oa0Lv/RYs 4Gwc1Hx5NlR4CfWSUFN7lxOFMtJVXfu47cED+2Vjs4bILiRJraSW4O399p+HT7pHz7K1 9V+IpwEvXj4MAQbjzA1z27zX2EdM/v5QF9STCVCMhKJsxXqA21fkLZoUDDxMa3cCziA2 ILBK9QN6jUHXB7UVpg0jqHIMeo2GjWNxG9lmSNV5xvkR5IKprVpmizTg1S9fEZ70ZSlL 0jPcbz2BiNtJ1LIUxxLpTiYwW8kM26Oz/cp8FQxNN9IcRJ0sPok4I2ibMlxE81u4yZoz LPbA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id p124si4325706oib.224.2019.12.12.11.43.30; Thu, 12 Dec 2019 11:43:42 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730727AbfLLTnB (ORCPT + 99 others); Thu, 12 Dec 2019 14:43:01 -0500 Received: from mx2.suse.de ([195.135.220.15]:58520 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730284AbfLLTm7 (ORCPT ); Thu, 12 Dec 2019 14:42:59 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id EB117AE37; Thu, 12 Dec 2019 19:42:57 +0000 (UTC) Date: Thu, 12 Dec 2019 11:36:30 -0800 From: Davidlohr Bueso To: Mike Kravetz Cc: Andrew Morton , Waiman Long , Matthew Wilcox , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Michal Hocko , aneesh.kumar@linux.ibm.com Subject: Re: [PATCH v2] mm/hugetlb: defer free_huge_page() to a workqueue Message-ID: <20191212193630.su6wvt54cut6addo@linux-p48b> Mail-Followup-To: Mike Kravetz , Andrew Morton , Waiman Long , Matthew Wilcox , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Michal Hocko , aneesh.kumar@linux.ibm.com References: <20191211194615.18502-1-longman@redhat.com> <4fbc39a9-2c9c-4c2c-2b13-a548afe6083c@oracle.com> <32d2d4f2-83b9-2e40-05e2-71cd07e01b80@redhat.com> <0fcce71f-bc20-0ea3-b075-46592c8d533d@oracle.com> <20191212060650.ftqq27ftutxpc5hq@linux-p48b> <20191212063050.ufrpij6s6jkv7g7j@linux-p48b> <20191212190427.ouyohviijf5inhur@linux-p48b> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 12 Dec 2019, Mike Kravetz wrote: >The patch does seem fairly simple and straight forward. I need to brush up >on my workqueue knowledge to provide a full review. The flush_work() call is actually bogus as we obviously cannot block in softirq...