mm/hugetlb.c: fix pages per hugetlb calculation

[platform/kernel/linux-starfive.git] / mm / hugetlb.c

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 57ece74..fab4485 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1593,7 +1593,7 @@ static struct address_space *_get_hugetlb_page_mapping(struct page *hpage)
 
        /* Use first found vma */
        pgoff_start = page_to_pgoff(hpage);
-       pgoff_end = pgoff_start + hpage_nr_pages(hpage) - 1;
+       pgoff_end = pgoff_start + pages_per_huge_page(page_hstate(hpage)) - 1;
        anon_vma_interval_tree_foreach(avc, &anon_vma->rb_root,
                                        pgoff_start, pgoff_end) {
                struct vm_area_struct *vma = avc->vma;