Re: [PATCH v4 61/66] mm/pagewalk: Use vma_find() instead of vma linked list

From: Vlastimil Babka
Date: Thu Jan 20 2022 - 07:43:53 EST


On 12/1/21 15:30, Liam Howlett wrote:
> From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>

> ---
> mm/pagewalk.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/pagewalk.c b/mm/pagewalk.c
> index 9b3db11a4d1d..fdfea080c5ff 100644
> --- a/mm/pagewalk.c
> +++ b/mm/pagewalk.c
> @@ -456,7 +456,7 @@ int walk_page_range(struct mm_struct *mm, unsigned long start,
> } else { /* inside vma */
> walk.vma = vma;
> next = min(end, vma->vm_end);
> - vma = vma->vm_next;
> + vma = find_vma(mm, vma->vm_end);;
>
> err = walk_page_test(start, next, &walk);
> if (err > 0) {