From nobody Mon Dec 29 00:44:31 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 68EDDC10DC1 for ; Mon, 4 Dec 2023 14:24:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235858AbjLDOYo (ORCPT ); Mon, 4 Dec 2023 09:24:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345266AbjLDOYK (ORCPT ); Mon, 4 Dec 2023 09:24:10 -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 7018F2105 for ; Mon, 4 Dec 2023 06:22:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1701699772; 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=hz7uaUsseOxwoTHd/q5qxZ6Zu8cM7Yp8tdIii7iwU6Q=; b=H6z3m8e/e40vfDeqZdC7U3FCCiHPCMX7LDc/oO8/KuJ6P3IEOCSfj8AD039JZ2oWoKM6CB vElj8bSoXa1Y8AMgHlqOAW9bZQy/zjV2OAX7XMlngvjNB23D59wuZt8cblWG8mhNWhu1pC J62Y6ioxuGAkYXI9HPcCRgRXFTCLZL8= 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-270-2PY8J7EQOv2OTifGixg-kQ-1; Mon, 04 Dec 2023 09:22:48 -0500 X-MC-Unique: 2PY8J7EQOv2OTifGixg-kQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (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 9F0CD8314FB; Mon, 4 Dec 2023 14:22:47 +0000 (UTC) Received: from t14s.fritz.box (unknown [10.39.195.87]) by smtp.corp.redhat.com (Postfix) with ESMTP id 01FC72026D68; Mon, 4 Dec 2023 14:22:45 +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 RFC 31/39] Documentation: stop referring to page_remove_rmap() Date: Mon, 4 Dec 2023 15:21:38 +0100 Message-ID: <20231204142146.91437-32-david@redhat.com> In-Reply-To: <20231204142146.91437-1-david@redhat.com> References: <20231204142146.91437-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Refer to folio_remove_rmap_*() instaed. Signed-off-by: David Hildenbrand --- Documentation/mm/transhuge.rst | 2 +- Documentation/mm/unevictable-lru.rst | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/mm/transhuge.rst b/Documentation/mm/transhuge.rst index 9a607059ea11c..cf81272a6b8b6 100644 --- a/Documentation/mm/transhuge.rst +++ b/Documentation/mm/transhuge.rst @@ -156,7 +156,7 @@ Partial unmap and deferred_split_folio() =20 Unmapping part of THP (with munmap() or other way) is not going to free memory immediately. Instead, we detect that a subpage of THP is not in use -in page_remove_rmap() and queue the THP for splitting if memory pressure +in folio_remove_rmap_*() and queue the THP for splitting if memory pressure comes. Splitting will free up unused subpages. =20 Splitting the page right away is not an option due to locking context in diff --git a/Documentation/mm/unevictable-lru.rst b/Documentation/mm/unevic= table-lru.rst index 67f1338440a50..b6a07a26b10d5 100644 --- a/Documentation/mm/unevictable-lru.rst +++ b/Documentation/mm/unevictable-lru.rst @@ -486,7 +486,7 @@ munlock the pages if we're removing the last VM_LOCKED = VMA that maps the pages. Before the unevictable/mlock changes, mlocking did not mark the pages in a= ny way, so unmapping them required no processing. =20 -For each PTE (or PMD) being unmapped from a VMA, page_remove_rmap() calls +For each PTE (or PMD) being unmapped from a VMA, folio_remove_rmap_*() cal= ls munlock_vma_folio(), which calls munlock_folio() when the VMA is VM_LOCKED (unless it was a PTE mapping of a part of a transparent huge page). =20 @@ -511,7 +511,7 @@ userspace; truncation even unmaps and deletes any priva= te anonymous pages which had been Copied-On-Write from the file pages now being truncated. =20 Mlocked pages can be munlocked and deleted in this way: like with munmap(), -for each PTE (or PMD) being unmapped from a VMA, page_remove_rmap() calls +for each PTE (or PMD) being unmapped from a VMA, folio_remove_rmap_*() cal= ls munlock_vma_folio(), which calls munlock_folio() when the VMA is VM_LOCKED (unless it was a PTE mapping of a part of a transparent huge page). =20 --=20 2.41.0