Re: [PATCH] mm/huge_memory: fix folio split check for anon folios in swapcache.

On Wed, Nov 05, 2025 at 11:29:10AM -0500, Zi Yan wrote:

Both uniform and non uniform split check missed the check to prevent splitting anon folios in swapcache to non-zero order. Fix the check.

Fixes: 58729c04cf10 ("mm/huge_memory: add buddy allocator like (non-uniform) folio_split()") Reported-by: "David Hildenbrand (Red Hat)" david@kernel.org Closes: https://lore.kernel.org/all/dc0ecc2c-4089-484f-917f-920fdca4c898@kernel.org/ Cc: stable@vger.kernel.org Signed-off-by: Zi Yan ziy@nvidia.com

Reviewed-by: Wei Yang richard.weiyang@gmail.com