linux-kernel - Re: [PATCH V2 1/2] mm/filemap: Add NUMA mempolicy support to filemap_alloc

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Message-ID: <aFlHIjLBwn3LQFMC@casper.infradead.org>
Date: Mon, 23 Jun 2025 13:22:58 +0100
From: Matthew Wilcox <willy@...radead.org>
To: Shivank Garg <shivankg@....com>
Cc: kent.overstreet@...ux.dev, clm@...com, josef@...icpanda.com,
	dsterba@...e.com, xiang@...nel.org, chao@...nel.org,
	jaegeuk@...nel.org, akpm@...ux-foundation.org, david@...hat.com,
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	dhavale@...gle.com, lihongbo22@...wei.com, pankaj.gupta@....com,
	linux-bcachefs@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-btrfs@...r.kernel.org, linux-erofs@...ts.ozlabs.org,
	linux-f2fs-devel@...ts.sourceforge.net,
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
	kvm@...r.kernel.org, linux-coco@...ts.linux.dev
Subject: Re: [PATCH V2 1/2] mm/filemap: Add NUMA mempolicy support to
 filemap_alloc_folio()

On Mon, Jun 23, 2025 at 09:39:41AM +0000, Shivank Garg wrote:
> From: "Matthew Wilcox (Oracle)" <willy@...radead.org>
> 
> Add a mempolicy parameter to filemap_alloc_folio() to enable NUMA-aware
> page cache allocations. This will be used by upcoming changes to
> support NUMA policies in guest-memfd, where guest_memory needs to be
> allocated according to NUMA policy specified by the VMM.
> 
> All existing users pass NULL maintaining current behavior.

I don't want to see this as a separate series.  I want to see it as part
of the series that introduces the user.

Andrew, please drop these two patches from your tree.