From nobody Thu Sep 18 02:41:09 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 C4FC3C10F1B for ; Tue, 13 Dec 2022 09:14:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235132AbiLMJOQ (ORCPT ); Tue, 13 Dec 2022 04:14:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234485AbiLMJM6 (ORCPT ); Tue, 13 Dec 2022 04:12:58 -0500 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D35C6140E3 for ; Tue, 13 Dec 2022 01:11:21 -0800 (PST) Received: from dggpemm500001.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4NWXlL52MTzlVjH; Tue, 13 Dec 2022 17:10:22 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Tue, 13 Dec 2022 17:11:19 +0800 From: Kefeng Wang To: Andrew Morton , David Hildenbrand , Oscar Salvador , SeongJae Park CC: , , , , , Kefeng Wang Subject: [PATCH -next 3/8] mm: huge_memory: convert split_huge_pages_all() to use folios Date: Tue, 13 Dec 2022 17:27:30 +0800 Message-ID: <20221213092735.187924-4-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20221213092735.187924-1-wangkefeng.wang@huawei.com> References: <20221213092735.187924-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Straightforwardly convert split_huge_pages_all() to use folio function. Signed-off-by: Kefeng Wang --- mm/huge_memory.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index abe6cfd92ffa..02092dd10aa4 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2933,7 +2933,7 @@ static struct shrinker deferred_split_shrinker =3D { static void split_huge_pages_all(void) { struct zone *zone; - struct page *page; + struct folio *folio; unsigned long pfn, max_zone_pfn; unsigned long total =3D 0, split =3D 0; =20 @@ -2945,25 +2945,27 @@ static void split_huge_pages_all(void) for (pfn =3D zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) { int nr_pages; =20 - page =3D pfn_to_online_page(pfn); - if (!page || !get_page_unless_zero(page)) + folio =3D pfn_to_online_folio(pfn); + if (!folio || !folio_try_get(folio)) continue; =20 - if (zone !=3D page_zone(page)) + if (zone !=3D folio_zone(folio)) goto next; =20 - if (!PageHead(page) || PageHuge(page) || !PageLRU(page)) + if (!folio_test_large(folio) + || folio_test_hugetlb(folio) + || !folio_test_lru(folio)) goto next; =20 total++; - lock_page(page); - nr_pages =3D thp_nr_pages(page); - if (!split_huge_page(page)) + folio_lock(folio); + nr_pages =3D folio_nr_pages(folio); + if (!split_folio(folio)) split++; pfn +=3D nr_pages - 1; - unlock_page(page); + folio_unlock(folio); next: - put_page(page); + folio_put(folio); cond_resched(); } } --=20 2.35.3