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=-7.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 74DECC433E0 for ; Fri, 7 Aug 2020 06:25:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 41E0322CF6 for ; Fri, 7 Aug 2020 06:25:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596781543; bh=pyG99N82HO9rFPrBYnc6mprIk9LW2rPMq09vEowJOIs=; h=Date:From:To:Subject:In-Reply-To:Reply-To:List-ID:From; b=dbSKGonGKE7Jvv7FP7WcL3FYiLKG34H08PGCYtRSMhzB4+lwR05GdBhaQByBjyTi+ kNF4f5cis4xEWR2eqWV2sozbpwmcOecKw7lsh2lou0JwhLPsFKwF+LGsThWj6gNAR/ X8c5EMNpUNFxRY1G4gtSXrjP+JzQhHQ+vmkWeEvU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726198AbgHGGZn (ORCPT ); Fri, 7 Aug 2020 02:25:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:34450 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725805AbgHGGZm (ORCPT ); Fri, 7 Aug 2020 02:25:42 -0400 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 3CA3E22CAE; Fri, 7 Aug 2020 06:25:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596781542; bh=pyG99N82HO9rFPrBYnc6mprIk9LW2rPMq09vEowJOIs=; h=Date:From:To:Subject:In-Reply-To:From; b=isn4F7fFEOK0bVNH924Rebe1MUVLO4tfR65eJTcRZKCOy8tp5dUTzIySg5T4SZHKx SAnW0GYw+C3/j+SfNiPdZpkKRR/r/KQ/mgO7OfYuUz7gKfz3wda2QB10ySxvmbMh8q kamCMRKAIVXQslJqN2HuEHdAwAwUHmFEC7e4ep7k= Date: Thu, 06 Aug 2020 23:25:41 -0700 From: Andrew Morton To: akpm@linux-foundation.org, linux-mm@kvack.org, mgorman@suse.de, mm-commits@vger.kernel.org, richard.weiyang@linux.alibaba.com, torvalds@linux-foundation.org Subject: [patch 148/163] mm/page_alloc.c: replace the definition of NR_MIGRATETYPE_BITS with PB_migratetype_bits Message-ID: <20200807062541.JFMzNVDYc%akpm@linux-foundation.org> In-Reply-To: <20200806231643.a2711a608dd0f18bff2caf2b@linux-foundation.org> User-Agent: s-nail v14.8.16 Sender: mm-commits-owner@vger.kernel.org Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Wei Yang Subject: mm/page_alloc.c: replace the definition of NR_MIGRATETYPE_BITS with PB_migratetype_bits We already have the definition of PB_migratetype_bits and current NR_MIGRATETYPE_BITS looks like a cyclic definition. Just use PB_migratetype_bits is enough. Link: http://lkml.kernel.org/r/20200623124201.8199-1-richard.weiyang@linux.alibaba.com Signed-off-by: Wei Yang Cc: Mel Gorman Signed-off-by: Andrew Morton --- include/linux/mmzone.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/include/linux/mmzone.h~mm-page_allocc-replace-the-definition-of-nr_migratetype_bits-with-pb_migratetype_bits +++ a/include/linux/mmzone.h @@ -88,8 +88,7 @@ static inline bool is_migrate_movable(in extern int page_group_by_mobility_disabled; -#define NR_MIGRATETYPE_BITS (PB_migrate_end - PB_migrate + 1) -#define MIGRATETYPE_MASK ((1UL << NR_MIGRATETYPE_BITS) - 1) +#define MIGRATETYPE_MASK ((1UL << PB_migratetype_bits) - 1) #define get_pageblock_migratetype(page) \ get_pfnblock_flags_mask(page, page_to_pfn(page), \ _