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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0054FF589AE for ; Thu, 23 Apr 2026 12:32:41 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 684356B008A; Thu, 23 Apr 2026 08:32:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 65CD86B0092; Thu, 23 Apr 2026 08:32:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 599DE6B0093; Thu, 23 Apr 2026 08:32:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 4D8236B008A for ; Thu, 23 Apr 2026 08:32:41 -0400 (EDT) Received: from smtpin02.hostedemail.com (lb01b-stub [10.200.18.250]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 0DD4140171 for ; Thu, 23 Apr 2026 12:32:41 +0000 (UTC) X-FDA: 84689759322.02.8624296 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf08.hostedemail.com (Postfix) with ESMTP id 5351F160003 for ; Thu, 23 Apr 2026 12:32:39 +0000 (UTC) Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=1tmWKztb; spf=pass (imf08.hostedemail.com: domain of akpm@linux-foundation.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1776947559; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=0Sm1+HBnujx7eaCDOZfyNeyN8WHlWDXXHQPnbPCVZFY=; b=7O8hfocDXSWngUK9lzXHn6GTOzoVI9e9m2pvKeNkn21ZxRVUEisXiysRxI2FLLKvoGif7N IL+7zXpQz4YpS8+KTdGV9XZHQ4DA5jgqZjesQj6YHMd6t7tU/4A2aQ7S8SfC7r433fZnyX 2QwHL537dZ5XXMwq94xXExo81asBnlk= ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=1tmWKztb; spf=pass (imf08.hostedemail.com: domain of akpm@linux-foundation.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1776947559; a=rsa-sha256; cv=none; b=Mu5tjN0FxVkUuQSdCP7xZ0xwJivSzEHX55W8RKQt/0kcokiqFGo+PLayVp5G8lxV2gZI45 e3oXv1EnHZplqyE0pE6qh3D1MQfMHvkxP7jf49Y9wx9OIPQ+bGzdWhWBd14f70zCACUtEt 6sYedv04UHGCCCpEJvWL3BFpM7TjCrc= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id AD58860123; Thu, 23 Apr 2026 12:32:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C94F9C2BCAF; Thu, 23 Apr 2026 12:32:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1776947558; bh=mLO1y63KeITgQnUtuuXUB7kwisFayIJWJCkn+Pp4dzQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=1tmWKztbTYs2a2lnZ2W3wKk0ddFcrR5tPBvRW6LZjbenwsnC6sxbXDaVDkLHtFIK2 Q2FcV7i7E/VourF3CDjnZlCSvecYn6y/hnNfmlw1JVnSBIE+iCAcKf6mXAWx9SbzO5 DaBWiDwSdF6pPLaoxg5Hkf04poOAtzQymmkk++/I= Date: Thu, 23 Apr 2026 05:32:37 -0700 From: Andrew Morton To: Muchun Song Cc: "David Hildenbrand (Arm)" , Muchun Song , Oscar Salvador , Michael Ellerman , Madhavan Srinivasan , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Nicholas Piggin , Christophe Leroy , aneesh.kumar@linux.ibm.com, joao.m.martins@oracle.com, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 v5 4/6] mm/sparse-vmemmap: Fix DAX vmemmap accounting with optimization Message-Id: <20260423053237.a44b68034673bb35a1e042cd@linux-foundation.org> In-Reply-To: <1ADE7CE5-F02D-42B2-B7AC-FE0D6E86042D@linux.dev> References: <20260423071911.1962859-1-songmuchun@bytedance.com> <20260423071911.1962859-5-songmuchun@bytedance.com> <1cbae635-a115-4270-bae2-64145d16f936@kernel.org> <1ADE7CE5-F02D-42B2-B7AC-FE0D6E86042D@linux.dev> 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-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 5351F160003 X-Stat-Signature: r4zpj9j6pn5adpexi776ffodf6f6fqqy X-Rspam-User: X-HE-Tag: 1776947559-842341 X-HE-Meta: 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 CmBe3SjJ hS8aUYl0DMTBbwl1gr5IxcIFvdCLZhtu0SDdE8ovAyZDC9iETByPHGUqPn2eLhZNlRYZ6rMwE1+T4YJV/Opn222K8bpYuskrYIfVX5EZmDaLYh/q291bZhpfY3jaMWxHwFJm+KGxN+/q4JF/531H5atwv5IZSZ+AhBx3wflo6znP3DOUhuNV4c/a5wm3PIwtyL1H5AEYbwV0JDNzMWvTILI8NoNJ4OTM8AJ7BN7mpuOT0jkEOd1S/PriuD4V/icrE5UdY Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 23 Apr 2026 20:04:21 +0800 Muchun Song wrote: > Ah, looks like I need to update the patch to fix this. OK. Please have a think about which patches we should backport into -stable. Possibly all 6! And the timing of this backport. Ideally, split the series up into one series for 7.1-rcX+stable, another series for 7.2.rc1.