Re: [PATCH v2] mm/hugetlb: fix DEBUG_LOCKS_WARN_ON(1) when dissolve_free_hugetlb_folio()

[Oscar Salvador]

On Fri, Apr 19, 2024 at 04:58:19PM +0800, Miaohe Lin wrote:
> When I did memory failure tests recently, below warning occurs:
> 
..
> 
> Fix this issue by checking whether folio is hugetlb directly instead
> of checking clear_flag to close the race window.
> 
> Fixes: 32c877191e02 ("hugetlb: do not clear hugetlb dtor until allocating vmemmap")
> CC: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>


-- 
Oscar Salvador
SUSE Labs