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Date: Tue, 16 Dec 2025 20:34:46 +0000
From: Matthew Wilcox <willy@infradead.org>
To: Francois Dugast <francois.dugast@intel.com>
Cc: intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
 Matthew Brost <matthew.brost@intel.com>,
 Andrew Morton <akpm@linux-foundation.org>,
 Balbir Singh <balbirs@nvidia.com>, linux-mm@kvack.org
Subject: Re: [PATCH 1/4] mm/migrate: Add migrate_device_split_page
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References: <20251216201206.1660899-1-francois.dugast@intel.com>
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On Tue, Dec 16, 2025 at 09:10:11PM +0100, Francois Dugast wrote:
> +	ret = __split_unmapped_folio(folio, 0, page, NULL, NULL, SPLIT_TYPE_UNIFORM);

We're trying to get rid of uniform splits.  Why do you need this to be
uniform?