From patchwork Thu Sep 2 22:01:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 12473253 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 autolearn=unavailable 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 16445C433F5 for ; Thu, 2 Sep 2021 22:01:35 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BE49F60724 for ; Thu, 2 Sep 2021 22:01:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org BE49F60724 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=kvack.org Received: by kanga.kvack.org (Postfix) id 158B894001E; Thu, 2 Sep 2021 18:01:19 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D0F1C940021; Thu, 2 Sep 2021 18:01:18 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 398CA940019; Thu, 2 Sep 2021 18:01:18 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0173.hostedemail.com [216.40.44.173]) by kanga.kvack.org (Postfix) with ESMTP id DB0E1940022 for ; Thu, 2 Sep 2021 18:01:17 -0400 (EDT) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id A28042BFC8 for ; Thu, 2 Sep 2021 22:01:17 +0000 (UTC) X-FDA: 78544004994.20.EBB1637 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf18.hostedemail.com (Postfix) with ESMTP id 54AEB40020BF for ; Thu, 2 Sep 2021 22:01:17 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 2ACA0610E6; Thu, 2 Sep 2021 22:01:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1630620069; bh=50SmS36AsJlM2rruHqoFR/e0nC1Urx/6JTqVV1IaHxA=; h=Date:From:To:Subject:In-Reply-To:From; b=lDvdCuQ7k8uVgIpzjC/xxqnmzdQT6aKkruwhEAbHjyJc2pTv1wNb4JY+W+AnTyq0G 5PtgFDrnYF7ZlodjQRx0EBXi1s3P5MT/OIER5VffKF5TdgW7Ynl5m59Zl/Ej/Mdm7h Y9mPQaTqQd4iF+6PBqdo2pRWXChAyAyHBaWNg+Bo= Date: Thu, 02 Sep 2021 15:01:08 -0700 From: Andrew Morton To: akpm@linux-foundation.org, david@redhat.com, linmiaohe@huawei.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 211/212] mm/vmstat: remove unneeded return value Message-ID: <20210902220108.NK_Han4Vh%akpm@linux-foundation.org> In-Reply-To: <20210902144820.78957dff93d7bea620d55a89@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: 54AEB40020BF Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=lDvdCuQ7; dmarc=none; spf=pass (imf18.hostedemail.com: domain of akpm@linux-foundation.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-Rspamd-Server: rspam01 X-Stat-Signature: yu68s4ixa6k1j4baq1dunhoh8fafw1f5 X-HE-Tag: 1630620077-676857 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: Miaohe Lin Subject: mm/vmstat: remove unneeded return value The return value of pagetypeinfo_showfree and pagetypeinfo_showblockcount are unused now. Remove them. Link: https://lkml.kernel.org/r/20210715122911.15700-4-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Reviewed-by: David Hildenbrand Signed-off-by: Andrew Morton --- mm/vmstat.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) --- a/mm/vmstat.c~mm-vmstat-remove-unneeded-return-value +++ a/mm/vmstat.c @@ -1454,7 +1454,7 @@ static void pagetypeinfo_showfree_print( } /* Print out the free pages at each order for each migatetype */ -static int pagetypeinfo_showfree(struct seq_file *m, void *arg) +static void pagetypeinfo_showfree(struct seq_file *m, void *arg) { int order; pg_data_t *pgdat = (pg_data_t *)arg; @@ -1466,8 +1466,6 @@ static int pagetypeinfo_showfree(struct seq_putc(m, '\n'); walk_zones_in_node(m, pgdat, true, false, pagetypeinfo_showfree_print); - - return 0; } static void pagetypeinfo_showblockcount_print(struct seq_file *m, @@ -1503,7 +1501,7 @@ static void pagetypeinfo_showblockcount_ } /* Print out the number of pageblocks for each migratetype */ -static int pagetypeinfo_showblockcount(struct seq_file *m, void *arg) +static void pagetypeinfo_showblockcount(struct seq_file *m, void *arg) { int mtype; pg_data_t *pgdat = (pg_data_t *)arg; @@ -1514,8 +1512,6 @@ static int pagetypeinfo_showblockcount(s seq_putc(m, '\n'); walk_zones_in_node(m, pgdat, true, false, pagetypeinfo_showblockcount_print); - - return 0; } /*