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=-5.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 D1C96C433E0 for ; Fri, 12 Jun 2020 19:49:01 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9765D20656 for ; Fri, 12 Jun 2020 19:49:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="hVqkG6ad" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9765D20656 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 259B58D00D2; Fri, 12 Jun 2020 15:49:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 209A78D00A0; Fri, 12 Jun 2020 15:49:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0F8258D00D2; Fri, 12 Jun 2020 15:49:01 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0031.hostedemail.com [216.40.44.31]) by kanga.kvack.org (Postfix) with ESMTP id E91C58D00A0 for ; Fri, 12 Jun 2020 15:49:00 -0400 (EDT) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 97D25180AD81D for ; Fri, 12 Jun 2020 19:49:00 +0000 (UTC) X-FDA: 76921598040.10.oil13_340f7a726ddf Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin10.hostedemail.com (Postfix) with ESMTP id 6395619D41 for ; Fri, 12 Jun 2020 19:48:57 +0000 (UTC) X-HE-Tag: oil13_340f7a726ddf X-Filterd-Recvd-Size: 3366 Received: from hqnvemgate26.nvidia.com (hqnvemgate26.nvidia.com [216.228.121.65]) by imf10.hostedemail.com (Postfix) with ESMTP for ; Fri, 12 Jun 2020 19:48:56 +0000 (UTC) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Fri, 12 Jun 2020 12:48:42 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Fri, 12 Jun 2020 12:48:55 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Fri, 12 Jun 2020 12:48:55 -0700 Received: from rcampbell-dev.nvidia.com (10.124.1.5) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 12 Jun 2020 19:48:55 +0000 Subject: Re: [PATCH] mm/hmm: remove redundant check non_swap_entry() To: Jason Gunthorpe CC: , , Jerome Glisse , John Hubbard , Christoph Hellwig , Andrew Morton References: <20200612192618.32579-1-rcampbell@nvidia.com> <20200612193327.GZ6578@ziepe.ca> X-Nvconfidentiality: public From: Ralph Campbell Message-ID: Date: Fri, 12 Jun 2020 12:48:55 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <20200612193327.GZ6578@ziepe.ca> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL101.nvidia.com (172.20.187.10) To HQMAIL107.nvidia.com (172.20.187.13) Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1591991322; bh=LvO/tbarhm9/wvspG2Tgwz0qRkaR+TLilKC17WqN+qM=; h=X-PGP-Universal:Subject:To:CC:References:X-Nvconfidentiality:From: Message-ID:Date:User-Agent:MIME-Version:In-Reply-To: X-Originating-IP:X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=hVqkG6adE2iCOkY8Vfc+COtUcn0g7we07vi87EJ4J9ru5iivLdtpqy8NbJeiAyFju 0K1e0kSVVNdfHeBsAw3hngl3Ed7vRDdS7rUQaUkGsdes/d0V5b4jPhCkLO5psqqobk aOgeZFARHkXseCE97ZiwnLj2TCoADadFP/rBnBt3xA3QMYebw6e8gnJJyLl60HD4Q5 WGmSiPeReDQHwJhW9ekA7ptnMNK4vDWGBLAcwyT0U7KnH0gMCqSHoee9P814ISFJRU M8qXay0xWASWSI3kJl2FAuqnIMGdl41qumKudFLcEwOLn6JWOw1k7xMPUfr7lfKeKA 3Qtbawr5DooqQ== X-Rspamd-Queue-Id: 6395619D41 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 6/12/20 12:33 PM, Jason Gunthorpe wrote: > On Fri, Jun 12, 2020 at 12:26:18PM -0700, Ralph Campbell wrote: >> In zap_pte_range(), the check for non_swap_entry() and >> is_device_private_entry() is redundant since the latter is a subset of the >> former. Remove the redundant check to simplify the code and for clarity. >> >> Signed-off-by: Ralph Campbell >> >> This is based on the current linux tree and is intended for Andrew's mm >> tree. There is no rush so it could go into 5.9 but I think it is safe >> enough to go into an rc after the patch is reviewed. > > Probably shouldn't mark it as mm/hmm if Andrew is going to pick it OK, I'll mark it as just mm: if I need to repost. > Reviewed-by: Jason Gunthorpe > > Jason > Thanks!