From nobody Wed Dec 31 14:26:49 2025 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 DFEFFC4332F for ; Fri, 3 Nov 2023 07:29:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345479AbjKCH3S (ORCPT ); Fri, 3 Nov 2023 03:29:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232993AbjKCH3P (ORCPT ); Fri, 3 Nov 2023 03:29:15 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32DB91BF; Fri, 3 Nov 2023 00:29:11 -0700 (PDT) Received: from dggpemm100001.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4SMC314Pj1z1P7ly; Fri, 3 Nov 2023 15:26:05 +0800 (CST) Received: from localhost.localdomain (10.175.112.125) by dggpemm100001.china.huawei.com (7.185.36.93) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Fri, 3 Nov 2023 15:29:08 +0800 From: Kefeng Wang To: Andrew Morton CC: , , , Matthew Wilcox , David Hildenbrand , Kefeng Wang Subject: [PATCH 1/5] mm: huge_memory: use more folio api in __split_huge_page_tail() Date: Fri, 3 Nov 2023 15:29:02 +0800 Message-ID: <20231103072906.2000381-2-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20231103072906.2000381-1-wangkefeng.wang@huawei.com> References: <20231103072906.2000381-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm100001.china.huawei.com (7.185.36.93) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use more folio APIs to save six compound_head() calls in __split_huge_page_tail(). Signed-off-by: Kefeng Wang --- mm/huge_memory.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index f31f02472396..34001ef9d029 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2507,13 +2507,13 @@ static void __split_huge_page_tail(struct folio *fo= lio, int tail, clear_compound_head(page_tail); =20 /* Finally unfreeze refcount. Additional reference from page cache. */ - page_ref_unfreeze(page_tail, 1 + (!PageAnon(head) || - PageSwapCache(head))); + page_ref_unfreeze(page_tail, 1 + (!folio_test_anon(folio) || + folio_test_swapcache(folio))); =20 - if (page_is_young(head)) - set_page_young(page_tail); - if (page_is_idle(head)) - set_page_idle(page_tail); + if (folio_test_young(folio)) + folio_set_young(new_folio); + if (folio_test_idle(folio)) + folio_set_idle(new_folio); =20 folio_xchg_last_cpupid(new_folio, folio_last_cpupid(folio)); =20 --=20 2.27.0