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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,URIBL_BLOCKED autolearn=ham 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 58A88C43441 for ; Tue, 27 Nov 2018 17:07:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1E72320817 for ; Tue, 27 Nov 2018 17:07:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="TdWAGPY7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1E72320817 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731425AbeK1EFe (ORCPT ); Tue, 27 Nov 2018 23:05:34 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:53236 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726338AbeK1EFe (ORCPT ); Tue, 27 Nov 2018 23:05:34 -0500 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id wARGxNa4100612; Tue, 27 Nov 2018 17:06:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=content-type : mime-version : subject : from : in-reply-to : date : cc : content-transfer-encoding : message-id : references : to; s=corp-2018-07-02; bh=mlkkGRoytDJ6YxBGRBOcQebLVqTm3iDI+Rn0tva/uA4=; b=TdWAGPY75tcg+PBApJhssfIC53BTA1m9hHWveqX73fDoO8Stp8sN3nZLb+yKVrl4EQ4Y 6fxnc0jrX9AuUr4lc0NU2d8qetJmUsqZuer2sIL8Lns3Cj+slE2bKpo5+XACpmuAgDL/ sjWGY50o3yC2Z7OQ8udDpW/YXJS02JQGUKsSvY6qRKzPTBITU7Ilr/O3j9PGh2Rev928 pam8DYdnJXIUn4MZ5wDru4JiUfsV/SlsOc4mqYvlZfo9GvHeutWqG/Fd6Ip8Xfzzc6FJ DMwbcszhGplkhOnVz/f3RiXSImdp6eSyRzvG3v3O6jR7GF+KdruVoDYfuBfrJyZrZ0Xo Qg== Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp2120.oracle.com with ESMTP id 2nxxkqdb1w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 27 Nov 2018 17:06:53 +0000 Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id wARH6q0Z018028 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 27 Nov 2018 17:06:52 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id wARH6qI8009065; Tue, 27 Nov 2018 17:06:52 GMT Received: from [192.168.0.110] (/73.243.10.6) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 27 Nov 2018 09:06:52 -0800 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Subject: Re: [RFC PATCH 3/3] mm, proc: report PR_SET_THP_DISABLE in proc From: William Kucharski In-Reply-To: <283f38d9-1142-60b6-0b84-7129b7f9781e@suse.cz> Date: Tue, 27 Nov 2018 10:06:50 -0700 Cc: Michal Hocko , linux-api@vger.kernel.org, Andrew Morton , Alexey Dobriyan , linux-mm@kvack.org, LKML Content-Transfer-Encoding: quoted-printable Message-Id: <5CB5F808-ECA8-4A4E-B942-7D69522E3FA4@oracle.com> References: <20181120103515.25280-1-mhocko@kernel.org> <20181120103515.25280-4-mhocko@kernel.org> <0ACDD94B-75AD-4DD0-B2E3-32C0EDFBAA5E@oracle.com> <20181127131707.GW12455@dhcp22.suse.cz> <04647F77-FE93-4A8E-90C1-4245709B88A5@oracle.com> <283f38d9-1142-60b6-0b84-7129b7f9781e@suse.cz> To: Vlastimil Babka X-Mailer: Apple Mail (2.3445.102.3) X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9090 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=824 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1811270145 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Nov 27, 2018, at 9:50 AM, Vlastimil Babka wrote: >=20 > On 11/27/18 3:50 PM, William Kucharski wrote: >>=20 >> I was just double checking that this was meant to be more of a check = done >> before code elsewhere performs additional checks and does the actual = THP >> mapping, not an all-encompassing go/no go check for THP mapping. >=20 > Yes, the code doing the actual mapping is still checking also = alignment etc. Thanks, yes, that is what I was getting at.