Received: by 10.223.185.116 with SMTP id b49csp1979133wrg; Thu, 22 Feb 2018 06:22:20 -0800 (PST) X-Google-Smtp-Source: AH8x227uTac3+2ivy/Yg6iVItXtGFmTcwJMAmMIrfVQvD770veEP2tVqTGOuJI9I22wGKxMhmne8 X-Received: by 2002:a17:902:6805:: with SMTP id h5-v6mr6774245plk.46.1519309340615; Thu, 22 Feb 2018 06:22:20 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1519309340; cv=none; d=google.com; s=arc-20160816; b=Jw+KvLFLVxngZp8zT0Q+mI3GAN41LDTWtxMgwy3JsSHvMPgDY9egfHQ1912hEn8XGP 90S1+0rJkOhq4M0giIBUoumuRugGh6yv3qaLKoNs2SWP8wmks0R3rlDZeS2/RjB2w4L8 elbFk00XbEsNA4O3ojJHqdDFEyuT42f7R+Irr86F/bcRzVm68VavgSaw177mtO2XVBgq 5UUYfIiD7cpswKFkOhkp6SP6rqIYBbV8IAO6vnWa+xcyJP0fyVrEHcO/Cj+bPbTHjTTA eHYHoyDJxyXhQVrEkQ8KB3HFlgKS7wdf27OxjBsi3/E1jZCb9ooaTfcyqSXFbN3sFA1z dJGw== 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 :content-language:in-reply-to:mime-version:user-agent:date :message-id:references:cc:to:from:subject:arc-authentication-results; bh=7CDcr/ukAh6LrAi1diqjfVry8ESehI8NifWpEkzxfGw=; b=E4P9kkVRvZhEIHDH5d79D5O4uDxTQIssiQGqG1HnUyaDGWH445nS72S08sEVx04/4R 4Obb+urVHzG2lDdQReVwJp1ikNlOCWL7OSlVRHSm4ZQaiIHYJuiV/Ul1FxXkBXGuQhtW IfgiaoLj6bsmzg7lTK+F+94P/IS49afnGqIuBDd870r0PNNrXtLDcpqACe2EQkw65ScR rIbVuD8ipGeFoN9o3LfITqGxPvKsPHnnU8ZSfElTf/EhxFuKhsUb+aMfVDK6kjIqHQ63 VhBpPHu6JnwaCLNZBwLCkVyqcmUqWTQblxOHD1JEpBNeV8Hkiq4Wa35FoWVujTn6ODul V4/g== 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 r20si66440pgu.423.2018.02.22.06.22.06; Thu, 22 Feb 2018 06:22:20 -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 S932782AbeBVOU7 (ORCPT + 99 others); Thu, 22 Feb 2018 09:20:59 -0500 Received: from lhrrgout.huawei.com ([194.213.3.17]:27180 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932607AbeBVOUy (ORCPT ); Thu, 22 Feb 2018 09:20:54 -0500 Received: from LHREML712-CAH.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 1FAF5779466C0; Thu, 22 Feb 2018 14:20:51 +0000 (GMT) Received: from [10.122.225.51] (10.122.225.51) by smtpsuk.huawei.com (10.201.108.35) with Microsoft SMTP Server (TLS) id 14.3.361.1; Thu, 22 Feb 2018 14:20:48 +0000 Subject: Re: [PATCH 3/6] struct page: add field for vm_struct From: Igor Stoppa To: Matthew Wilcox CC: , , , , , , , , , , , References: <20180211031920.3424-1-igor.stoppa@huawei.com> <20180211031920.3424-4-igor.stoppa@huawei.com> <20180211211646.GC4680@bombadil.infradead.org> <20180220205442.GA15973@bombadil.infradead.org> Message-ID: Date: Thu, 22 Feb 2018 16:20:23 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.122.225.51] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 21/02/18 14:01, Igor Stoppa wrote: > it seems to return garbage also without this patch, but I need to clean > up the code, try it again and possibly come up with a demo patch for > triggering the problem. > > I'll investigate it more. However it doesn't seem to be related to the > functionality I need. So I plan to treat it as separate issue and leave > find_vm_area untouched, at least in pmalloc scope. Follow-up: https://lkml.org/lkml/2018/2/22/427 -- igor