On Fri, 20 Oct 2023 17:14:36 +0300 Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> This was changed from find_lock_page() which returns NULL to
> filemap_lock_folio() which returns error pointers. Update the
> error checking to match.
>
> --- a/mm/khugepaged.c
> +++ b/mm/khugepaged.c
> @@ -1508,7 +1508,7 @@ int collapse_pte_mapped_thp(struct mm_struct *mm, unsigned long addr,
>
> folio = filemap_lock_folio(vma->vm_file->f_mapping,
> linear_page_index(vma, haddr));
> - if (!folio)
> + if (IS_ERR(folio))
> return SCAN_PAGE_NULL;
>
> if (folio_order(folio) != HPAGE_PMD_ORDER) {
Also doesn't appear applicable to current kernels?
