diff options
Diffstat (limited to 'arch/powerpc/mm/pgtable_64.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 63cd81130643..2892246a6fef 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -309,16 +309,20 @@ EXPORT_SYMBOL(__iounmap_at); /* 4 level page table */ struct page *pgd_page(pgd_t pgd) { - if (pgd_huge(pgd)) + if (pgd_is_leaf(pgd)) { + VM_WARN_ON(!pgd_huge(pgd)); return pte_page(pgd_pte(pgd)); + } return virt_to_page(pgd_page_vaddr(pgd)); } #endif struct page *pud_page(pud_t pud) { - if (pud_huge(pud)) + if (pud_is_leaf(pud)) { + VM_WARN_ON(!pud_huge(pud)); return pte_page(pud_pte(pud)); + } return virt_to_page(pud_page_vaddr(pud)); } @@ -328,8 +332,10 @@ struct page *pud_page(pud_t pud) */ struct page *pmd_page(pmd_t pmd) { - if (pmd_large(pmd) || pmd_huge(pmd) || pmd_devmap(pmd)) + if (pmd_is_leaf(pmd)) { + VM_WARN_ON(!(pmd_large(pmd) || pmd_huge(pmd) || pmd_devmap(pmd))); return pte_page(pmd_pte(pmd)); + } return virt_to_page(pmd_page_vaddr(pmd)); } |