From patchwork Tue Feb 22 11:27:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaohe Lin X-Patchwork-Id: 12754927 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C91FC433F5 for ; Tue, 22 Feb 2022 11:28:20 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6E0848D0002; Tue, 22 Feb 2022 06:28:20 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 669688D0001; Tue, 22 Feb 2022 06:28:20 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5317B8D0002; Tue, 22 Feb 2022 06:28:20 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0081.hostedemail.com [216.40.44.81]) by kanga.kvack.org (Postfix) with ESMTP id 4000D8D0001 for ; Tue, 22 Feb 2022 06:28:20 -0500 (EST) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id C81DC9D677 for ; Tue, 22 Feb 2022 11:28:19 +0000 (UTC) X-FDA: 79170192318.17.4AE7EC8 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by imf12.hostedemail.com (Postfix) with ESMTP id A482840005 for ; Tue, 22 Feb 2022 11:28:18 +0000 (UTC) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4K2xhm2jdHzdZSs; Tue, 22 Feb 2022 19:27:04 +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; Tue, 22 Feb 2022 19:28:14 +0800 From: Miaohe Lin To: , CC: , , Subject: [PATCH] mm/hugetlb: use helper macro __ATTR_RW Date: Tue, 22 Feb 2022 19:27:31 +0800 Message-ID: <20220222112731.33479-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: A482840005 X-Stat-Signature: 9d4zorydaxx1mxcsmaowzb4fbwbz7cqg Authentication-Results: imf12.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf12.hostedemail.com: domain of linmiaohe@huawei.com designates 45.249.212.187 as permitted sender) smtp.mailfrom=linmiaohe@huawei.com X-HE-Tag: 1645529298-343961 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: Use helper macro __ATTR_RW to define HSTATE_ATTR to make code more clear. Minor readability improvement. Signed-off-by: Miaohe Lin Reviewed-by: Mike Kravetz Reviewed-by: Muchun Song --- mm/hugetlb.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 1f0cca036f7f..c0405f3c8413 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3498,8 +3498,7 @@ static int demote_pool_huge_page(struct hstate *h, nodemask_t *nodes_allowed) static struct kobj_attribute _name##_attr = __ATTR_WO(_name) #define HSTATE_ATTR(_name) \ - static struct kobj_attribute _name##_attr = \ - __ATTR(_name, 0644, _name##_show, _name##_store) + static struct kobj_attribute _name##_attr = __ATTR_RW(_name) static struct kobject *hugepages_kobj; static struct kobject *hstate_kobjs[HUGE_MAX_HSTATE];