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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 053B5C001DC for ; Wed, 19 Jul 2023 07:49:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229843AbjGSHtC (ORCPT ); Wed, 19 Jul 2023 03:49:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229601AbjGSHtA (ORCPT ); Wed, 19 Jul 2023 03:49:00 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A759AE43 for ; Wed, 19 Jul 2023 00:48:58 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5E4152F4; Wed, 19 Jul 2023 00:49:41 -0700 (PDT) Received: from [10.162.40.17] (unknown [10.162.40.17]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 758CE3F738; Wed, 19 Jul 2023 00:48:56 -0700 (PDT) Message-ID: <397768bc-b861-1f6e-4c12-8fbbdff0900f@arm.com> Date: Wed, 19 Jul 2023 13:18:53 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH] mm/mm_init.c: drop node_start_pfn from adjust_zone_range_for_zone_movable() Content-Language: en-US To: Haifeng Xu , rppt@kernel.org Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20230717065811.1262-1-haifeng.xu@shopee.com> From: Anshuman Khandual In-Reply-To: <20230717065811.1262-1-haifeng.xu@shopee.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/17/23 12:28, Haifeng Xu wrote: > node_start_pfn is not used in adjust_zone_range_for_zone_movable(), so > it is pointless to waste a function argument. Drop the parameter. > > Signed-off-by: Haifeng Xu Reviewed-by: Anshuman Khandual > --- > mm/mm_init.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/mm/mm_init.c b/mm/mm_init.c > index a313d1828a6c..23d50541e1f7 100644 > --- a/mm/mm_init.c > +++ b/mm/mm_init.c > @@ -1105,7 +1105,6 @@ void __ref memmap_init_zone_device(struct zone *zone, > */ > static void __init adjust_zone_range_for_zone_movable(int nid, > unsigned long zone_type, > - unsigned long node_start_pfn, > unsigned long node_end_pfn, > unsigned long *zone_start_pfn, > unsigned long *zone_end_pfn) > @@ -1222,9 +1221,8 @@ static unsigned long __init zone_spanned_pages_in_node(int nid, > /* Get the start and end of the zone */ > *zone_start_pfn = clamp(node_start_pfn, zone_low, zone_high); > *zone_end_pfn = clamp(node_end_pfn, zone_low, zone_high); > - adjust_zone_range_for_zone_movable(nid, zone_type, > - node_start_pfn, node_end_pfn, > - zone_start_pfn, zone_end_pfn); > + adjust_zone_range_for_zone_movable(nid, zone_type, node_end_pfn, > + zone_start_pfn, zone_end_pfn); > > /* Check that this node has pages within the zone's required range */ > if (*zone_end_pfn < node_start_pfn || *zone_start_pfn > node_end_pfn)