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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 7D5BFC352A1 for ; Wed, 5 Feb 2020 11:48:22 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 41D12217F4 for ; Wed, 5 Feb 2020 11:48:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 41D12217F4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E08A26B00B8; Wed, 5 Feb 2020 06:48:21 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id DB8AB6B00B9; Wed, 5 Feb 2020 06:48:21 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CCE7C6B00BA; Wed, 5 Feb 2020 06:48:21 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0144.hostedemail.com [216.40.44.144]) by kanga.kvack.org (Postfix) with ESMTP id B25096B00B8 for ; Wed, 5 Feb 2020 06:48:21 -0500 (EST) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 6342D180AD802 for ; Wed, 5 Feb 2020 11:48:21 +0000 (UTC) X-FDA: 76455900402.20.honey12_2bc4eb1772417 X-HE-Tag: honey12_2bc4eb1772417 X-Filterd-Recvd-Size: 2403 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by imf30.hostedemail.com (Postfix) with ESMTP for ; Wed, 5 Feb 2020 11:48:20 +0000 (UTC) X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Feb 2020 03:48:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,405,1574150400"; d="scan'208";a="404129293" Received: from richard.sh.intel.com (HELO localhost) ([10.239.159.54]) by orsmga005.jf.intel.com with ESMTP; 05 Feb 2020 03:48:15 -0800 Date: Wed, 5 Feb 2020 19:48:32 +0800 From: Wei Yang To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, x86@kernel.org, Andrew Morton , Oscar Salvador , Michal Hocko , Pavel Tatashin , Dan Williams , Wei Yang Subject: Re: [PATCH v6 10/10] mm/memory_hotplug: Cleanup __remove_pages() Message-ID: <20200205114832.GE24162@richard> Reply-To: Wei Yang References: <20191006085646.5768-1-david@redhat.com> <20191006085646.5768-11-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191006085646.5768-11-david@redhat.com> User-Agent: Mutt/1.9.4 (2018-02-28) 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 Sun, Oct 06, 2019 at 10:56:46AM +0200, David Hildenbrand wrote: >Let's drop the basically unused section stuff and simplify. > >Also, let's use a shorter variant to calculate the number of pages to >the next section boundary. > >Cc: Andrew Morton >Cc: Oscar Salvador >Cc: Michal Hocko >Cc: Pavel Tatashin >Cc: Dan Williams >Cc: Wei Yang >Signed-off-by: David Hildenbrand Finally understand the code. Reviewed-by: Wei Yang -- Wei Yang Help you, Help me