From nobody Sun Feb 8 12:52:18 2026 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 03C24C04A6A for ; Thu, 3 Aug 2023 11:41:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234705AbjHCLlM (ORCPT ); Thu, 3 Aug 2023 07:41:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40466 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230058AbjHCLlK (ORCPT ); Thu, 3 Aug 2023 07:41:10 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4FEB226A1 for ; Thu, 3 Aug 2023 04:41:08 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RGmzm1MWvzNmhL; Thu, 3 Aug 2023 19:37:40 +0800 (CST) Received: from huawei.com (10.174.151.185) 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 15.1.2507.27; Thu, 3 Aug 2023 19:41:05 +0800 From: Miaohe Lin To: , CC: , , Subject: [PATCH] mm/mm_init: use helper macro BITS_PER_LONG Date: Thu, 3 Aug 2023 19:40:51 +0800 Message-ID: <20230803114051.637709-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.151.185] 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 Content-Type: text/plain; charset="utf-8" It's more readable to use helper macro BITS_PER_LONG. No functional change intended. Signed-off-by: Miaohe Lin Reviewed-by: David Hildenbrand --- mm/mm_init.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/mm_init.c b/mm/mm_init.c index 66aca3f6accd..2f37dbb5ff9a 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -79,7 +79,7 @@ void __init mminit_verify_pageflags_layout(void) int shift, width; unsigned long or_mask, add_mask; =20 - shift =3D 8 * sizeof(unsigned long); + shift =3D BITS_PER_LONG; width =3D shift - SECTIONS_WIDTH - NODES_WIDTH - ZONES_WIDTH - LAST_CPUPID_SHIFT - KASAN_TAG_WIDTH - LRU_GEN_WIDTH - LRU_REFS_WIDTH; mminit_dprintk(MMINIT_TRACE, "pageflags_layout_widths", @@ -1431,7 +1431,7 @@ static unsigned long __init usemap_size(unsigned long= zone_start_pfn, unsigned l usemapsize =3D roundup(zonesize, pageblock_nr_pages); usemapsize =3D usemapsize >> pageblock_order; usemapsize *=3D NR_PAGEBLOCK_BITS; - usemapsize =3D roundup(usemapsize, 8 * sizeof(unsigned long)); + usemapsize =3D roundup(usemapsize, BITS_PER_LONG); =20 return usemapsize / 8; } --=20 2.33.0