As it's trying to cover the whole vma anyways, use direct vm_pgoff value and vma_pages() rather than linear_page_index. Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Hugh Dickins <hughd@xxxxxxxxxx> Signed-off-by: Peter Xu <peterx@xxxxxxxxxx> --- mm/shmem.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/mm/shmem.c b/mm/shmem.c index 96ccf6e941aa..d2620db8c938 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -856,9 +856,8 @@ unsigned long shmem_swap_usage(struct vm_area_struct *vma) return swapped << PAGE_SHIFT; /* Here comes the more involved part */ - return shmem_partial_swap_usage(mapping, - linear_page_index(vma, vma->vm_start), - linear_page_index(vma, vma->vm_end)); + return shmem_partial_swap_usage(mapping, vma->vm_pgoff, + vma->vm_pgoff + vma_pages(vma)); } /* -- 2.31.1
