From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201])
	(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
	(No client certificate requested)
	by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1944C306B11
	for <linux-kernel@vger.kernel.org>; Thu, 23 Apr 2026 12:32:38 +0000 (UTC)
Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201
ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;
	t=1776947559; cv=none; b=Z+nR5C71DVFeTpitU8rmtu227/+V6N0iH17E1Ua1kKoMmketNeESf/B710JMlY/KZno2u0PKIvFFx0KQ+9a7Rpim2m/rRHTUadOc5iq2gvH3IhWSUvTm9nkYjVKUrFnNsY/EFf73IiCudckMIYEHvpd30T1DIZVok8BwvDLIyRY=
ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org;
	s=arc-20240116; t=1776947559; c=relaxed/simple;
	bh=mLO1y63KeITgQnUtuuXUB7kwisFayIJWJCkn+Pp4dzQ=;
	h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References:
	 Mime-Version:Content-Type; b=fHVibGDgJJs1VBr7qR5Mnx0dkueCc5RN66LA+aRKeD2gOeCf4UrZnt2/MvBWIkmW0gs4fy5/VVx15CWkEIKZcydkERStWAuYbFOCWcJWqLl5/q2aUAfWYrsUOfXbnJrVGyuoRH+E/QhSrFPQxY3dlUaAP6U/qoIT0i+FsKB4zco=
ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=1tmWKztb; arc=none smtp.client-ip=10.30.226.201
Authentication-Results: smtp.subspace.kernel.org;
	dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="1tmWKztb"
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 <akpm@linux-foundation.org>
To: Muchun Song <muchun.song@linux.dev>
Cc: "David Hildenbrand (Arm)" <david@kernel.org>, Muchun Song
 <songmuchun@bytedance.com>, Oscar Salvador <osalvador@suse.de>, Michael
 Ellerman <mpe@ellerman.id.au>, Madhavan Srinivasan <maddy@linux.ibm.com>,
 Lorenzo Stoakes <ljs@kernel.org>, "Liam R . Howlett"
 <Liam.Howlett@oracle.com>, Vlastimil Babka <vbabka@kernel.org>, Mike
 Rapoport <rppt@kernel.org>, Suren Baghdasaryan <surenb@google.com>, Michal
 Hocko <mhocko@suse.com>, Nicholas Piggin <npiggin@gmail.com>, Christophe
 Leroy <chleroy@kernel.org>, 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)
Precedence: bulk
X-Mailing-List: linux-kernel@vger.kernel.org
List-Id: <linux-kernel.vger.kernel.org>
List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org>
List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit

On Thu, 23 Apr 2026 20:04:21 +0800 Muchun Song <muchun.song@linux.dev> 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.