From nobody Fri Dec 19 14:35:21 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 7EEB6C10DC3 for ; Mon, 11 Dec 2023 15:58:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344668AbjLKP6U (ORCPT ); Mon, 11 Dec 2023 10:58:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344550AbjLKP57 (ORCPT ); Mon, 11 Dec 2023 10:57:59 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3657218B for ; Mon, 11 Dec 2023 07:57:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1702310271; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ErbCAGluk3VXsqVDEiyD10ub89UxQEpB3+XojBc5SDY=; b=d3ue1kfigJmW7Qyl3FBhDf1gxNbrsTPwuHZuEFMSXkJBWM/Qr3kV6QJhsDT1lDmScT51X6 OTgxkz1J6Ts4hGCXvRSFFxw4NEnP9OrAmIuSqlX3nkdDdG79hBthjM/7Uby8pM0WAD21gw KqbJRhk4WS0PhZZhfbgg86uzg1rDiE8= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-690-mgQppAEyP5iFD7nuwA5GFg-1; Mon, 11 Dec 2023 10:57:47 -0500 X-MC-Unique: mgQppAEyP5iFD7nuwA5GFg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 57849870831; Mon, 11 Dec 2023 15:57:47 +0000 (UTC) Received: from t14s.redhat.com (unknown [10.39.192.166]) by smtp.corp.redhat.com (Postfix) with ESMTP id F2D511121306; Mon, 11 Dec 2023 15:57:44 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, David Hildenbrand , Andrew Morton , "Matthew Wilcox (Oracle)" , Hugh Dickins , Ryan Roberts , Yin Fengwei , Mike Kravetz , Muchun Song , Peter Xu Subject: [PATCH v1 20/39] mm/memory: page_add_anon_rmap() -> folio_add_anon_rmap_pte() Date: Mon, 11 Dec 2023 16:56:33 +0100 Message-ID: <20231211155652.131054-21-david@redhat.com> In-Reply-To: <20231211155652.131054-1-david@redhat.com> References: <20231211155652.131054-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.3 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Let's convert restore_exclusive_pte() and do_swap_page(). While at it, perform some folio conversion in restore_exclusive_pte(). Signed-off-by: David Hildenbrand --- mm/memory.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/mm/memory.c b/mm/memory.c index 70754fd65788..97e064883992 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -710,6 +710,7 @@ static void restore_exclusive_pte(struct vm_area_struct= *vma, struct page *page, unsigned long address, pte_t *ptep) { + struct folio *folio =3D page_folio(page); pte_t orig_pte; pte_t pte; swp_entry_t entry; @@ -725,14 +726,15 @@ static void restore_exclusive_pte(struct vm_area_stru= ct *vma, else if (is_writable_device_exclusive_entry(entry)) pte =3D maybe_mkwrite(pte_mkdirty(pte), vma); =20 - VM_BUG_ON(pte_write(pte) && !(PageAnon(page) && PageAnonExclusive(page))); + VM_BUG_ON_FOLIO(pte_write(pte) && (!folio_test_anon(folio) && + PageAnonExclusive(page)), folio); =20 /* * No need to take a page reference as one was already * created when the swap entry was made. */ - if (PageAnon(page)) - page_add_anon_rmap(page, vma, address, RMAP_NONE); + if (folio_test_anon(folio)) + folio_add_anon_rmap_pte(folio, page, vma, address, RMAP_NONE); else /* * Currently device exclusive access only supports anonymous @@ -4073,7 +4075,8 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) page_add_new_anon_rmap(page, vma, vmf->address); folio_add_lru_vma(folio, vma); } else { - page_add_anon_rmap(page, vma, vmf->address, rmap_flags); + folio_add_anon_rmap_pte(folio, page, vma, vmf->address, + rmap_flags); } =20 VM_BUG_ON(!folio_test_anon(folio) || --=20 2.43.0