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=-17.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 9D98CC433DB for ; Thu, 14 Jan 2021 09:21:12 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4149F23A21 for ; Thu, 14 Jan 2021 09:21:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4149F23A21 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 524E78D00C9; Thu, 14 Jan 2021 04:21:11 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4AE858D008E; Thu, 14 Jan 2021 04:21:11 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3765F8D00C9; Thu, 14 Jan 2021 04:21:11 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0046.hostedemail.com [216.40.44.46]) by kanga.kvack.org (Postfix) with ESMTP id 1F5058D008E for ; Thu, 14 Jan 2021 04:21:11 -0500 (EST) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id D8FCEDB4A for ; Thu, 14 Jan 2021 09:21:10 +0000 (UTC) X-FDA: 77703836700.28.base19_450b55c27525 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin28.hostedemail.com (Postfix) with ESMTP id C1C5DDB33 for ; Thu, 14 Jan 2021 09:21:10 +0000 (UTC) X-HE-Tag: base19_450b55c27525 X-Filterd-Recvd-Size: 4354 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by imf23.hostedemail.com (Postfix) with ESMTP for ; Thu, 14 Jan 2021 09:21:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610616069; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=v+P+ymbxz56cW25ly8svSOtyorypFtEzsoTghRSRpI0=; b=G38lD5Na6cWyhhzEwkKiCuY53iWNwMehrJWPrlJ+rbphb7UeG2pWkfw6ZKLnYl+V8nSwWh 2Uuapc8GGOVSRrVpEr9ruv6IU50gY1AWtv5NS3AtqHgF3MKSHMP8AFbytUGcZbz7ApmqRc vxJRcC2BdjTT6PAeOxm3javZp8x8E+o= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-227-lYMpLajHM1uB9BTga1zBXQ-1; Thu, 14 Jan 2021 04:21:08 -0500 X-MC-Unique: lYMpLajHM1uB9BTga1zBXQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8BC0F1015C80; Thu, 14 Jan 2021 09:21:06 +0000 (UTC) Received: from [10.36.115.75] (ovpn-115-75.ams2.redhat.com [10.36.115.75]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1067860C47; Thu, 14 Jan 2021 09:21:04 +0000 (UTC) Subject: Re: [PATCH] mm: memblock: remove return value of memblock_free_all() To: Daeseok Youn , rppt@kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org References: <20210114070817.GA2868715@AD01715016> From: David Hildenbrand Organization: Red Hat GmbH Message-ID: <726525ab-d30d-e58c-21ea-db9d6ad4ae6b@redhat.com> Date: Thu, 14 Jan 2021 10:21:04 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 MIME-Version: 1.0 In-Reply-To: <20210114070817.GA2868715@AD01715016> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 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 14.01.21 08:08, Daeseok Youn wrote: > No one checks the return value of memblock_free_all(). > Make the return value void. > > memblock_free_all() is used on mem_init() for each > architecture, and the total count of freed pages will be added > to _totalram_pages variable by calling totalram_pages_add(). > > so do not need to return total count of freed pages. > > Signed-off-by: Daeseok Youn > --- > include/linux/memblock.h | 2 +- > mm/memblock.c | 6 +----- > 2 files changed, 2 insertions(+), 6 deletions(-) > > diff --git a/include/linux/memblock.h b/include/linux/memblock.h > index 9c5cc95c7cee..076fda398dff 100644 > --- a/include/linux/memblock.h > +++ b/include/linux/memblock.h > @@ -117,7 +117,7 @@ int memblock_mark_mirror(phys_addr_t base, phys_addr_t size); > int memblock_mark_nomap(phys_addr_t base, phys_addr_t size); > int memblock_clear_nomap(phys_addr_t base, phys_addr_t size); > > -unsigned long memblock_free_all(void); > +void memblock_free_all(void); > void reset_node_managed_pages(pg_data_t *pgdat); > void reset_all_zones_managed_pages(void); > void memblock_enforce_memory_reserved_overlap(void); > diff --git a/mm/memblock.c b/mm/memblock.c > index 40ca30bfa387..2a2b1fe4b659 100644 > --- a/mm/memblock.c > +++ b/mm/memblock.c > @@ -2074,10 +2074,8 @@ void __init reset_all_zones_managed_pages(void) > > /** > * memblock_free_all - release free pages to the buddy allocator > - * > - * Return: the number of pages actually released. > */ > -unsigned long __init memblock_free_all(void) > +void __init memblock_free_all(void) > { > unsigned long pages; > > @@ -2086,8 +2084,6 @@ unsigned long __init memblock_free_all(void) > > pages = free_low_memory_core_early(); > totalram_pages_add(pages); > - > - return pages; > } > > #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_ARCH_KEEP_MEMBLOCK) > Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb