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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51820C433EF for ; Fri, 29 Apr 2022 19:50:52 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9D7506B0071; Fri, 29 Apr 2022 15:50:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 987006B0072; Fri, 29 Apr 2022 15:50:51 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 84F556B0073; Fri, 29 Apr 2022 15:50:51 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.25]) by kanga.kvack.org (Postfix) with ESMTP id 722B36B0071 for ; Fri, 29 Apr 2022 15:50:51 -0400 (EDT) Received: from smtpin09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 390712786B for ; Fri, 29 Apr 2022 19:50:51 +0000 (UTC) X-FDA: 79410959502.09.0042613 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf08.hostedemail.com (Postfix) with ESMTP id 17A7B160052 for ; Fri, 29 Apr 2022 19:50:42 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 06FA560DE9; Fri, 29 Apr 2022 19:50:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4CF98C385A4; Fri, 29 Apr 2022 19:50:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1651261848; bh=/1g4dlJHQcE2bGaDfHjA8TZ8JcaMTtJUr2J92nj1cdM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=xkYE/+uNhtE9NhVKL/mWJpyZMnmqm/eAavN9CrKv9KNVsdhi3Y9dsimNB1jwbFcm5 jKO/Fjp6hbQZR25xC2d/l0WaJynGi9E36BZsRL4+jQMjmjYST+2+e4mtn91/6C4jfH kw5UU7ZVTiTxiH92uTEwe87MWK1HZlDFobLFpPBU= Date: Fri, 29 Apr 2022 12:50:47 -0700 From: Andrew Morton To: "Matthew Wilcox (Oracle)" Cc: linux-mm@kvack.org Subject: Re: [PATCH 09/21] vmscan: Convert page buffer handling to use folios Message-Id: <20220429125047.677899802a16e30cc0c95109@linux-foundation.org> In-Reply-To: <20220429192329.3034378-10-willy@infradead.org> References: <20220429192329.3034378-1-willy@infradead.org> <20220429192329.3034378-10-willy@infradead.org> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 17A7B160052 X-Stat-Signature: 6xtngkxphsr6q7wz34k568irujxhi6w9 X-Rspam-User: Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b="xkYE/+uN"; spf=pass (imf08.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none X-HE-Tag: 1651261842-179136 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 Fri, 29 Apr 2022 20:23:17 +0100 "Matthew Wilcox (Oracle)" wrote: > This mostly just removes calls to compound_head() although nr_reclaimed > should be incremented by the number of pages, not just 1. Yup. This change > > * leave it off the LRU). > */ > - nr_reclaimed++; > + nr_reclaimed += nr_pages; > continue; > } > } Was done independently by https://lkml.kernel.org/r/20220425111232.23182-5-linmiaohe@huawei.com