From nobody Wed Dec 31 13:06:10 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 4A1CFC4167B for ; Fri, 3 Nov 2023 14:03:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377849AbjKCOD5 (ORCPT ); Fri, 3 Nov 2023 10:03:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233909AbjKCODt (ORCPT ); Fri, 3 Nov 2023 10:03:49 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C22DDD4E; Fri, 3 Nov 2023 07:03:46 -0700 (PDT) Received: from dggpemm100001.china.huawei.com (unknown [172.30.72.56]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4SMMmn4xy3zMmLd; Fri, 3 Nov 2023 21:59:21 +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 22:03:44 +0800 From: Kefeng Wang To: Andrew Morton CC: , , Matthew Wilcox , David Hildenbrand , , Kefeng Wang Subject: [PATCH 04/18] mm: rmap: use mm_counter_[file]_folio() Date: Fri, 3 Nov 2023 22:01:05 +0800 Message-ID: <20231103140119.2306578-5-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20231103140119.2306578-1-wangkefeng.wang@huawei.com> References: <20231103140119.2306578-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) 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 mm_counter_folio() and mm_counter_file_folio() to save five compound_head() calls. Signed-off-by: Kefeng Wang --- mm/rmap.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/mm/rmap.c b/mm/rmap.c index 7a27a2b41802..9d77975eaa35 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1678,7 +1678,7 @@ static bool try_to_unmap_one(struct folio *folio, str= uct vm_area_struct *vma, set_huge_pte_at(mm, address, pvmw.pte, pteval, hsz); } else { - dec_mm_counter(mm, mm_counter(&folio->page)); + dec_mm_counter(mm, mm_counter_folio(folio)); set_pte_at(mm, address, pvmw.pte, pteval); } =20 @@ -1693,7 +1693,7 @@ static bool try_to_unmap_one(struct folio *folio, str= uct vm_area_struct *vma, * migration) will not expect userfaults on already * copied pages. */ - dec_mm_counter(mm, mm_counter(&folio->page)); + dec_mm_counter(mm, mm_counter_folio(folio)); } else if (folio_test_anon(folio)) { swp_entry_t entry =3D page_swap_entry(subpage); pte_t swp_pte; @@ -1801,7 +1801,7 @@ static bool try_to_unmap_one(struct folio *folio, str= uct vm_area_struct *vma, * * See Documentation/mm/mmu_notifier.rst */ - dec_mm_counter(mm, mm_counter_file(&folio->page)); + dec_mm_counter(mm, mm_counter_file_folio(folio)); } discard: page_remove_rmap(subpage, vma, folio_test_hugetlb(folio)); @@ -2075,7 +2075,7 @@ static bool try_to_migrate_one(struct folio *folio, s= truct vm_area_struct *vma, set_huge_pte_at(mm, address, pvmw.pte, pteval, hsz); } else { - dec_mm_counter(mm, mm_counter(&folio->page)); + dec_mm_counter(mm, mm_counter_folio(folio)); set_pte_at(mm, address, pvmw.pte, pteval); } =20 @@ -2090,7 +2090,7 @@ static bool try_to_migrate_one(struct folio *folio, s= truct vm_area_struct *vma, * migration) will not expect userfaults on already * copied pages. */ - dec_mm_counter(mm, mm_counter(&folio->page)); + dec_mm_counter(mm, mm_counter_folio(folio)); } else { swp_entry_t entry; pte_t swp_pte; --=20 2.27.0