Received: by 2002:a25:8b12:0:0:0:0:0 with SMTP id i18csp435587ybl; Wed, 14 Aug 2019 00:00:12 -0700 (PDT) X-Google-Smtp-Source: APXvYqy7SFOA/y7ACn5fqJl+5J1U7flD4ILfI1p4eFUDmoQWm/QJTGnWz1fFwx7p3Y1vfsDq/I4Y X-Received: by 2002:a63:60d1:: with SMTP id u200mr37770881pgb.439.1565766012471; Wed, 14 Aug 2019 00:00:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1565766012; cv=none; d=google.com; s=arc-20160816; b=DVStjBDUR7n9tBPYBtPrJFuL6Os4VBzoaX+nP458gitQyMG3sy3i2xgTiZ5R6InWhl G1Nla2+fsIPjf63p1RKfc484u5fFdV3AvWBvfUA2ypa2r1SxEWYTVsQdFlBQByDIPOGj XNk0Nw4mUp68aHBmbmiTWHPsT/jUGsnoUPjirRjpn87Ztyc6iOfUkmynQgT5ihUoJ9ga h6fXlN5c9YC4uEV12JWSi9pIuBX8YPwK9BL5Szsah+3z9T+LRSF0xZa7aOz0mgSaLC/t tNvNh02L3DwkSKCNyTzVQpZ905gOW8meSrNNIS9iPEDzQ0H1ecjJfF7EJ24UKkmP5em8 wW6Q== 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:reply-to:message-id :subject:cc:to:from:date; bh=c2FjS3fUgackjiLR87EEoIXZG2I0+lTT42Y59Idthyg=; b=CDAwnQibgg0cj+Sr3XDQQFCapqKupWWOFm+f6O07Dd0dr3mlynbVLBbF0EwSnS7iia 0f1LfuVyr4LXbAnvLnoMFU06sGSyAioWIG7dUpCmgWkVOEZ99rsmATih9gHTAm61Bq3s YKcY7uP4BdAzqaJJu1nU8LL2xp3kuUoiJvfULG4xZab0bMWJpW8JQqlA4J1ZMBHKH+nj Gdos/Me+Km4AFnOFnQDfzIkIN9dZShUIxN6QeVyvTQ8vJWuOgQceP/EzsZFUeVCKDUt5 cjO86G6guDC8ECl/fs+A1bx59Hjwzw5fYkfuNa4QlcjSfC4CztR15UOtzOghAH0ii1oY cqmA== 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id k193si63537893pge.330.2019.08.13.23.59.56; Wed, 14 Aug 2019 00:00:12 -0700 (PDT) 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727269AbfHNG53 (ORCPT + 99 others); Wed, 14 Aug 2019 02:57:29 -0400 Received: from mga11.intel.com ([192.55.52.93]:51786 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726007AbfHNG53 (ORCPT ); Wed, 14 Aug 2019 02:57:29 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Aug 2019 23:57:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,384,1559545200"; d="scan'208";a="188028665" Received: from richard.sh.intel.com (HELO localhost) ([10.239.159.54]) by orsmga002.jf.intel.com with ESMTP; 13 Aug 2019 23:57:26 -0700 Date: Wed, 14 Aug 2019 14:57:03 +0800 From: Wei Yang To: Christoph Hellwig Cc: Wei Yang , akpm@linux-foundation.org, mgorman@techsingularity.net, vbabka@suse.cz, osalvador@suse.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] mm/mmap.c: extract __vma_unlink_list as counter part for __vma_link_list Message-ID: <20190814065703.GA6433@richard> Reply-To: Wei Yang References: <20190814021755.1977-1-richardw.yang@linux.intel.com> <20190814021755.1977-3-richardw.yang@linux.intel.com> <20190814051611.GA1958@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190814051611.GA1958@infradead.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 13, 2019 at 10:16:11PM -0700, Christoph Hellwig wrote: >Btw, is there any good reason we don't use a list_head for vma linkage? Not sure, maybe there is some historical reason? -- Wei Yang Help you, Help me