diff options
Diffstat (limited to 'mm/pagewalk.c')
| -rw-r--r-- | mm/pagewalk.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/pagewalk.c b/mm/pagewalk.c index 8b1a2ce21ee..7cfa6ae0230 100644 --- a/mm/pagewalk.c +++ b/mm/pagewalk.c @@ -34,6 +34,7 @@ static int walk_pmd_range(pud_t *pud, unsigned long addr, unsigned long end, pmd = pmd_offset(pud, addr); do { next = pmd_addr_end(addr, end); + split_huge_page_pmd(walk->mm, pmd); if (pmd_none_or_clear_bad(pmd)) { if (walk->pte_hole) err = walk->pte_hole(addr, next, walk); @@ -139,7 +140,6 @@ int walk_page_range(unsigned long addr, unsigned long end, pgd_t *pgd; unsigned long next; int err = 0; - struct vm_area_struct *vma; if (addr >= end) return err; @@ -149,15 +149,17 @@ int walk_page_range(unsigned long addr, unsigned long end, pgd = pgd_offset(walk->mm, addr); do { + struct vm_area_struct *uninitialized_var(vma); + next = pgd_addr_end(addr, end); +#ifdef CONFIG_HUGETLB_PAGE /* * handle hugetlb vma individually because pagetable walk for * the hugetlb page is dependent on the architecture and * we can't handled it in the same manner as non-huge pages. */ vma = find_vma(walk->mm, addr); -#ifdef CONFIG_HUGETLB_PAGE if (vma && is_vm_hugetlb_page(vma)) { if (vma->vm_end < next) next = vma->vm_end; |