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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 2349FC433ED for ; Wed, 5 May 2021 01:36:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A37F6141F for ; Wed, 5 May 2021 01:36:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231739AbhEEBg7 (ORCPT ); Tue, 4 May 2021 21:36:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:39914 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230361AbhEEBg6 (ORCPT ); Tue, 4 May 2021 21:36:58 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B8FAD6141D; Wed, 5 May 2021 01:36:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1620178562; bh=mU6cIqcVjgsclMBxURaJZ65WHDcdApAXMGCD0XkH/4E=; h=Date:From:To:Subject:In-Reply-To:From; b=u5LigiGSYM8qnTq3upywmQt7omGoN1RZwmtmDrkmDOrOaCS+u2PT5zfYl2ZODpLCH Cu7cLXMvQpIKbWVfQsCAXpOQPR9QK3TVHXQZ2fOOZc2Rp8/B+EFoRq23MqkVbXzVV5 kJ1pV70YLGNKe9jf3ZhiLeWAnEsrtCV/Z0veyhTY= Date: Tue, 04 May 2021 18:36:01 -0700 From: Andrew Morton To: akpm@linux-foundation.org, alex.shi@linux.alibaba.com, ben.widawsky@intel.com, cai@lca.pw, cl@linux.com, dan.j.williams@intel.com, dave.hansen@linux.intel.com, dwagner@suse.de, linux-mm@kvack.org, mm-commits@vger.kernel.org, osalvador@suse.de, rientjes@google.com, tobin@kernel.org, torvalds@linux-foundation.org, ying.huang@intel.com Subject: [patch 060/143] mm/vmscan: move RECLAIM* bits to uapi header Message-ID: <20210505013601.4xVjgVnyO%akpm@linux-foundation.org> In-Reply-To: <20210504183219.a3cc46aee4013d77402276c5@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Dave Hansen Subject: mm/vmscan: move RECLAIM* bits to uapi header It is currently not obvious that the RECLAIM_* bits are part of the uapi since they are defined in vmscan.c. Move them to a uapi header to make it obvious. This should have no functional impact. Link: https://lkml.kernel.org/r/20210219172557.08074910@viggo.jf.intel.com Signed-off-by: Dave Hansen Reviewed-by: Ben Widawsky Reviewed-by: Oscar Salvador Acked-by: David Rientjes Acked-by: Christoph Lameter Cc: Alex Shi Cc: Daniel Wagner Cc: "Tobin C. Harding" Cc: Christoph Lameter Cc: Huang Ying Cc: Dan Williams Cc: Qian Cai Signed-off-by: Andrew Morton --- include/uapi/linux/mempolicy.h | 7 +++++++ mm/vmscan.c | 8 -------- 2 files changed, 7 insertions(+), 8 deletions(-) --- a/include/uapi/linux/mempolicy.h~mm-vmscan-move-reclaim-bits-to-uapi-header +++ a/include/uapi/linux/mempolicy.h @@ -64,5 +64,12 @@ enum { #define MPOL_F_MOF (1 << 3) /* this policy wants migrate on fault */ #define MPOL_F_MORON (1 << 4) /* Migrate On protnone Reference On Node */ +/* + * These bit locations are exposed in the vm.zone_reclaim_mode sysctl + * ABI. New bits are OK, but existing bits can never change. + */ +#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 */ #endif /* _UAPI_LINUX_MEMPOLICY_H */ --- a/mm/vmscan.c~mm-vmscan-move-reclaim-bits-to-uapi-header +++ a/mm/vmscan.c @@ -4087,14 +4087,6 @@ module_init(kswapd_init) int node_reclaim_mode __read_mostly; /* - * These bit locations are exposed in the vm.zone_reclaim_mode sysctl - * ABI. New bits are OK, but existing bits can never change. - */ -#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 */ - -/* * Priority for NODE_RECLAIM. This determines the fraction of pages * of a node considered for each zone_reclaim. 4 scans 1/16th of * a zone. _