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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,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 32704C433B4 for ; Mon, 12 Apr 2021 10:36:54 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id CE8756121E for ; Mon, 12 Apr 2021 10:36:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CE8756121E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 43D9D6B0036; Mon, 12 Apr 2021 06:36:53 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 39DBF6B006C; Mon, 12 Apr 2021 06:36:53 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1F31E6B006E; Mon, 12 Apr 2021 06:36:53 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0195.hostedemail.com [216.40.44.195]) by kanga.kvack.org (Postfix) with ESMTP id F1F4A6B0036 for ; Mon, 12 Apr 2021 06:36:52 -0400 (EDT) Received: from smtpin34.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 9DD8C180364F7 for ; Mon, 12 Apr 2021 10:36:52 +0000 (UTC) X-FDA: 78023361864.34.99321C1 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf09.hostedemail.com (Postfix) with ESMTP id 4109E6000121 for ; Mon, 12 Apr 2021 10:36:49 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id D664AAF17; Mon, 12 Apr 2021 10:36:50 +0000 (UTC) Subject: Re: [PATCH 3/9] mm/page_alloc: Add an array-based interface to the bulk page allocator To: Mel Gorman , Andrew Morton Cc: Chuck Lever , Jesper Dangaard Brouer , Christoph Hellwig , Alexander Duyck , Matthew Wilcox , Ilias Apalodimas , LKML , Linux-Net , Linux-MM , Linux-NFS References: <20210325114228.27719-1-mgorman@techsingularity.net> <20210325114228.27719-4-mgorman@techsingularity.net> From: Vlastimil Babka Message-ID: Date: Mon, 12 Apr 2021 12:36:50 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210325114228.27719-4-mgorman@techsingularity.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4109E6000121 X-Stat-Signature: gjtiu9cboekpck96dm7b88h8t3gqciza X-Rspamd-Server: rspam02 Received-SPF: none (suse.cz>: No applicable sender policy available) receiver=imf09; identity=mailfrom; envelope-from=""; helo=mx2.suse.de; client-ip=195.135.220.15 X-HE-DKIM-Result: none/none X-HE-Tag: 1618223809-998699 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 3/25/21 12:42 PM, Mel Gorman wrote: > The proposed callers for the bulk allocator store pages from the bulk > allocator in an array. This patch adds an array-based interface to the API > to avoid multiple list iterations. The page list interface is preserved > to avoid requiring all users of the bulk API to allocate and manage enough > storage to store the pages. > > Signed-off-by: Mel Gorman Acked-by: Vlastimil Babka