linux-kernel - Re: [RFC PATCH v2 0/8] mm: Hot page tracking and promotion infrastructure

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Message-ID: <aPfXloRQgplusnce@gourry-fedora-PF4VCD3F>
Date: Tue, 21 Oct 2025 14:57:26 -0400
From: Gregory Price <gourry@...rry.net>
To: Jonathan Cameron <jonathan.cameron@...wei.com>
Cc: Yiannis Nikolakopoulos <yiannis.nikolakop@...il.com>,
	Wei Xu <weixugc@...gle.com>, David Rientjes <rientjes@...gle.com>,
	Matthew Wilcox <willy@...radead.org>,
	Bharata B Rao <bharata@....com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, dave.hansen@...el.com, hannes@...xchg.org,
	mgorman@...hsingularity.net, mingo@...hat.com, peterz@...radead.org,
	raghavendra.kt@....com, riel@...riel.com, sj@...nel.org,
	ying.huang@...ux.alibaba.com, ziy@...dia.com, dave@...olabs.net,
	nifan.cxl@...il.com, xuezhengchu@...wei.com,
	akpm@...ux-foundation.org, david@...hat.com, byungchul@...com,
	kinseyho@...gle.com, joshua.hahnjy@...il.com, yuanchu@...gle.com,
	balbirs@...dia.com, alok.rathore@...sung.com, yiannis@...corp.com,
	Adam Manzanares <a.manzanares@...sung.com>
Subject: Re: [RFC PATCH v2 0/8] mm: Hot page tracking and promotion
 infrastructure

On Tue, Oct 21, 2025 at 02:52:40PM -0400, Gregory Price wrote:
> I would prefer the former, since this is already what's done for
> hostbridge interleave vs non-interleave setups, where the host may
> expose multiple CFMW for the same devices depending on how the OS.

bah, got distracted

"Depending on how the OS may choose to configure things at some unknown
point in the future"


~Gregory