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[209.132.180.67]) by mx.google.com with ESMTP id a64-v6si925950pla.530.2018.05.15.14.33.49; Tue, 15 May 2018 14:34:04 -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; dkim=pass header.i=@oracle.com header.s=corp-2017-10-26 header.b=K9zbsQrc; 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=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752002AbeEOVdj (ORCPT + 99 others); Tue, 15 May 2018 17:33:39 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:33652 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750748AbeEOVdi (ORCPT ); Tue, 15 May 2018 17:33:38 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w4FLQKsw153016 for ; Tue, 15 May 2018 21:33:38 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=mime-version : references : in-reply-to : from : date : message-id : subject : to : cc : content-type; s=corp-2017-10-26; bh=pnGza92wqW34YyDbzWoASyoVJsh9kNNBOrfCsV2RWgw=; b=K9zbsQrcRFiY3FDj2OHc2uBE0cexb9b9ybxXPOGMpg0KOeCyXyqqMYqwIiucIjO06uLY 7uOCZv3XyIfqTDoP8dCH0SQKaruZofsakIrrZl7LoXCCWiFRKRmXpPU7fwfw/ipWFCXb 7kckwTKS7RFSIZNRSTdOiH4klQDKKfu14UT/82Kvhj1KtH1xR5LiJUEKI1lmaQZyymIx m5X+99OakZKFJBNF7uGF9LoiWC04ZytelZXOhhcyEbCQ0pxhoKQ5WHQBTfHeEiTK7VS0 EV4tn6xyoW0eRl05FvEtHlAVoM80mTj5PZGLy+V3Gd6oR/yTi9fGKd8aqLHGYk70bjZj Ng== Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp2120.oracle.com with ESMTP id 2hx29w290w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 15 May 2018 21:33:37 +0000 Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id w4FLXb1n024613 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 15 May 2018 21:33:37 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w4FLXbUT030584 for ; Tue, 15 May 2018 21:33:37 GMT Received: from mail-oi0-f44.google.com (/209.85.218.44) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 15 May 2018 14:33:37 -0700 Received: by mail-oi0-f44.google.com with SMTP id k17-v6so1564054oih.5 for ; Tue, 15 May 2018 14:33:36 -0700 (PDT) X-Gm-Message-State: ALKqPwdLBCKynwTOZ9p/5TZojv3NDiNioIeBi8DSiqS3Vlgv+5kVgY4s djetN9oSGTQ7gTpcsZiyv4+CmD8otoXrlECQ30g= X-Received: by 2002:aca:60d5:: with SMTP id u204-v6mr11286972oib.156.1526420016030; Tue, 15 May 2018 14:33:36 -0700 (PDT) MIME-Version: 1.0 References: <20180515175124.1770-1-pasha.tatashin@oracle.com> <20180515141240.c7587ed53a0ff32ff984e3d2@linux-foundation.org> In-Reply-To: <20180515141240.c7587ed53a0ff32ff984e3d2@linux-foundation.org> From: Pavel Tatashin Date: Tue, 15 May 2018 17:33:00 -0400 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v5] mm: don't allow deferred pages with NEED_PER_CPU_KM To: Andrew Morton Cc: Steven Sistare , Daniel Jordan , LKML , tglx@linutronix.de, Michal Hocko , Linux Memory Management List , mgorman@techsingularity.net, mingo@kernel.org, peterz@infradead.org, Steven Rostedt , Fengguang Wu , Dennis Zhou Content-Type: text/plain; charset="UTF-8" X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8894 signatures=668698 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=427 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1711220000 definitions=main-1805150210 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > My recent fix exposed this problem, > "my recent fix" isn't very useful. I changed this to identify > c9e97a1997 ("mm: initialize pages on demand during boot"), yes? Yes, thank you. Pavel