From patchwork Fri Jan 31 06:14:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 11359235 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0E0C513A4 for ; Fri, 31 Jan 2020 06:14:18 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C5C09206A2 for ; Fri, 31 Jan 2020 06:14:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="iotkVVUR" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C5C09206A2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 39E876B052D; Fri, 31 Jan 2020 01:14:16 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 2D8CF6B052F; Fri, 31 Jan 2020 01:14:16 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1287B6B0530; Fri, 31 Jan 2020 01:14:16 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0135.hostedemail.com [216.40.44.135]) by kanga.kvack.org (Postfix) with ESMTP id E92D36B052D for ; Fri, 31 Jan 2020 01:14:15 -0500 (EST) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id ABB6B180AD802 for ; Fri, 31 Jan 2020 06:14:15 +0000 (UTC) X-FDA: 76436914470.07.lake39_252b631a2e550 X-Spam-Summary: 2,0,0,502f12a0ae2006ad,d41d8cd98f00b204,akpm@linux-foundation.org,:akpm@linux-foundation.org:alex.shi@linux.alibaba.com:cl@linux.com:dwagner@suse.de::mm-commits@vger.kernel.org:tobin@kernel.org:torvalds@linux-foundation.org,RULES_HIT:41:355:379:800:960:967:968:973:988:989:1260:1263:1345:1359:1381:1431:1437:1534:1541:1711:1730:1747:1777:1792:2393:2525:2559:2564:2682:2685:2859:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3352:3865:3866:3867:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4321:5007:6261:6653:7576:8599:9025:9391:9545:10004:10913:11026:11658:11914:12043:12048:12296:12297:12438:12517:12519:12555:12679:12783:12986:13069:13311:13357:13846:14181:14384:14721:14777:14849:21060:21080:21433:21451:21524:21627:21819:21939:30054,0,RBL:error,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:3,LUA_SUMMARY:none X-HE-Tag: lake39_252b631a2e550 X-Filterd-Recvd-Size: 2949 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf01.hostedemail.com (Postfix) with ESMTP for ; Fri, 31 Jan 2020 06:14:15 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 663BB2082E; Fri, 31 Jan 2020 06:14:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580451254; bh=Mp0+EhZPtXcLuII0dsIpKfgXDg52jrP+VxNlwrTOa1s=; h=Date:From:To:Subject:In-Reply-To:From; b=iotkVVUR+zwyrtzioyT0DrWLFJT4EUXrwslJehBWgJ33ii4+yHSe2zfQ/pxuLfI0M XPWN/rK+77p2HlQHiHPtKaPVqfwXc5woMpN0Y69qrG22ThNckrClz2/Wqxe6YfvtfW wJGUeClzpYQ23Xt35k9p5p5tPy0qu4mjOnehbiJY= Date: Thu, 30 Jan 2020 22:14:14 -0800 From: Andrew Morton To: akpm@linux-foundation.org, alex.shi@linux.alibaba.com, cl@linux.com, dwagner@suse.de, linux-mm@kvack.org, mm-commits@vger.kernel.org, tobin@kernel.org, torvalds@linux-foundation.org Subject: [patch 057/118] mm/vmscan: remove unused RECLAIM_OFF/RECLAIM_ZONE Message-ID: <20200131061414.EuUjkznlO%akpm@linux-foundation.org> In-Reply-To: <20200130221021.5f0211c56346d5485af07923@linux-foundation.org> User-Agent: s-nail v14.8.16 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: From: Alex Shi Subject: mm/vmscan: remove unused RECLAIM_OFF/RECLAIM_ZONE commit 1b2ffb7896ad ("[PATCH] Zone reclaim: Allow modification of zone reclaim behavior")' defined RECLAIM_OFF/RECLAIM_ZONE, but never use them, so better to remove them. [dwagner@suse.de: fix sanity checks enabling] Link: http://lkml.kernel.org/r/20200116131642.642-1-dwagner@suse.de [akpm@linux-foundation.org: renumber the bits for neatness] Link: http://lkml.kernel.org/r/1579005573-58923-1-git-send-email-alex.shi@linux.alibaba.com Signed-off-by: Alex Shi Signed-off-by: Daniel Wagner Reviewed-by: Andrew Morton Cc: "Tobin C. Harding" Cc: Christoph Lameter Signed-off-by: Andrew Morton --- mm/vmscan.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/mm/vmscan.c~mm-vmscan-remove-unused-reclaim_off-reclaim_zone +++ a/mm/vmscan.c @@ -4110,10 +4110,8 @@ module_init(kswapd_init) */ int node_reclaim_mode __read_mostly; -#define RECLAIM_OFF 0 -#define RECLAIM_ZONE (1<<0) /* Run shrink_inactive_list on the zone */ -#define RECLAIM_WRITE (1<<1) /* Writeout pages during reclaim */ -#define RECLAIM_UNMAP (1<<2) /* Unmap pages during reclaim */ +#define RECLAIM_WRITE (1<<0) /* Writeout pages during reclaim */ +#define RECLAIM_UNMAP (1<<1) /* Unmap pages during reclaim */ /* * Priority for NODE_RECLAIM. This determines the fraction of pages