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 19F4CC433F5 for ; Fri, 4 Mar 2022 09:35:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237558AbiCDJga (ORCPT ); Fri, 4 Mar 2022 04:36:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235351AbiCDJfw (ORCPT ); Fri, 4 Mar 2022 04:35:52 -0500 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A09F175603 for ; Fri, 4 Mar 2022 01:35:05 -0800 (PST) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4K92hm6g18zBrt1; Fri, 4 Mar 2022 17:33:12 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Fri, 4 Mar 2022 17:35:03 +0800 From: Miaohe Lin To: CC: , , , , , , , , , , , , , , , , , , Subject: [PATCH 07/16] mm/migration: use helper macro min_t in do_pages_stat Date: Fri, 4 Mar 2022 17:34:00 +0800 Message-ID: <20220304093409.25829-8-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20220304093409.25829-1-linmiaohe@huawei.com> References: <20220304093409.25829-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We could use helper macro min_t to help set the chunk_nr to simplify the code. Signed-off-by: Miaohe Lin --- mm/migrate.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index bc79d7338780..c84eec19072a 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1858,9 +1858,7 @@ static int do_pages_stat(struct mm_struct *mm, unsigned long nr_pages, while (nr_pages) { unsigned long chunk_nr; - chunk_nr = nr_pages; - if (chunk_nr > DO_PAGES_STAT_CHUNK_NR) - chunk_nr = DO_PAGES_STAT_CHUNK_NR; + chunk_nr = min_t(unsigned long, nr_pages, DO_PAGES_STAT_CHUNK_NR); if (in_compat_syscall()) { if (get_compat_pages_array(chunk_pages, pages, -- 2.23.0