From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 20C30CD6E68 for ; Tue, 2 Jun 2026 17:06:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:Mime-Version:References:In-Reply-To:Message-Id:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LZ5K9M91kQ+AkSUeti/+IQh4gtRy8jNlzNE635XCeGU=; b=ms8e9YXgX+vSHfZNGz58ZlC5Jr qsYdiDuV41TklZL9Ou8gqbKIk+NBQg3p3u+gFUGi0YLBqzlSXvwgykh+VpefCYIsOq+MfhQKqIjD+ RraSCq2RZlxFPOx38P3aocKBASu3+uJECO8D3CgJHTGQKUnfOmo4E48zSGn20UwrUmjO9z5D1w3Bl uMGqK9ZaFBWOYkhVTFlN5KIhvG6AUGsUGyOwgSND0jKqzepUbvmxIv5peyYxuWnRiBA8pWSziOEHs SLh1SkWoV4FhcV55SXKaG57XrfLD4CdxO5r0XC9ukrKbW/AQ8IUOyythKhbJVlbfjSushRMCLkYxD 3NnwWLVg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wUSZP-0000000DXcv-3mCj; Tue, 02 Jun 2026 17:06:27 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wUSZN-0000000DXc3-3GBy for linux-arm-kernel@lists.infradead.org; Tue, 02 Jun 2026 17:06:26 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id CB0A443899; Tue, 2 Jun 2026 17:06:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 752A71F00893; Tue, 2 Jun 2026 17:06:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1780419984; bh=LZ5K9M91kQ+AkSUeti/+IQh4gtRy8jNlzNE635XCeGU=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=XeASP5J0XDs1YevH+fi0aOVQ1MIU/R7ReCO3KBfrw0EjKQoWcSCuUTe+TFZd2QYJY GKn83c51+jpr5JLmvuXOmhxB2hOaB2EBU8lwH3RGLhERAO95WuVtvYA9WQiOd1312v B35AdenzRdSgQJxcy0NmgOeepVriM/v1PA8+h02Q= Date: Tue, 2 Jun 2026 10:06:24 -0700 From: Andrew Morton To: Will Deacon Cc: Catalin Marinas , Alistair Popple , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, david@kernel.org, kevin.brodsky@arm.com Subject: Re: [PATCH] arm64: mm: call pagetable dtor when freeing hot-removed page tables Message-Id: <20260602100624.b458286887fe9a7c44d3bf22@linux-foundation.org> In-Reply-To: References: <20260521032730.2104017-1-apopple@nvidia.com> <20260521153130.d7d5cd060f7522f894252333@linux-foundation.org> <20260601212225.11f277a85d5ed15083b08cc2@linux-foundation.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260602_100625_842017_F66F8788 X-CRM114-Status: GOOD ( 14.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 2 Jun 2026 14:12:17 +0100 Will Deacon wrote: > > This patch is still floating around in mm.git awaiting some > > finalization. What to do? > > >From what I can tell (assuming I've been following along correctly!): > > 1. This patch improves the situation, so makes sense in its own right > 2. There is additional work to be more consistent with the constructors > for page-table pages, which Kevin is going to look at but is probably > a little more long-term. > 3. I'm happy to take this via arm64 but also have no issues with you taking > it via mm (so please shout if you want me to pick it up). OK, thanks, no probs, just checking. I'll include this in the next hotfixes batch for Linus.