> ---
> mm/swapfile.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/mm/swapfile.c b/mm/swapfile.c
> index 7464d0a92869..9e6da494781f 100644
> --- a/mm/swapfile.c
> +++ b/mm/swapfile.c
> @@ -1921,10 +1921,8 @@ static int unuse_pte_range(struct vm_area_struct *vma,
>
A PTE swap entry may map to a normal swap slot inside a huge swap
cluster. To free the huge swap cluster and the corresponding
THP (transparent huge page), all PTE swap entry mappings need to be
unmapped. The original implementation only checks current PTE swap
entry mapping, this is fixed via ca
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