Re: [PATCH v2 3/5] mm/huge_memory: add page->private check back in __split_folio_to_order()

From: Baolin Wang

Date: Sun Jul 05 2026 - 20:52:25 EST




On 7/3/26 9:47 PM, Zi Yan wrote:
page->private should not be set in tail pages. Commit 4265d67e405a
("mm/migrate_device: add THP splitting during migration") removed it
without a proper reason[1]. Add it back.

Link: https://lore.kernel.org/all/13f3fcda-7328-4aa5-afc6-75a294a82b2a@xxxxxxxxxx/ [1]
Reviewed-by: Lance Yang <lance.yang@xxxxxxxxx>
Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
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LGTM.
Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>