diff options
Diffstat (limited to 'include/asm-sh/pgalloc.h')
| -rw-r--r-- | include/asm-sh/pgalloc.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/asm-sh/pgalloc.h b/include/asm-sh/pgalloc.h index b6753c97397c..9cc5a7dc98ed 100644 --- a/include/asm-sh/pgalloc.h +++ b/include/asm-sh/pgalloc.h @@ -105,10 +105,13 @@ static inline pte_t ptep_get_and_clear(pte_t *ptep) pte_clear(ptep); if (!pte_not_present(pte)) { - struct page *page = pte_page(pte); - if (VALID_PAGE(page)&& - (!page->mapping || !(page->mapping->i_mmap_shared))) - __clear_bit(PG_mapped, &page->flags); + struct page *page; + unsigned long pfn = pte_pfn(pte); + if (pfn_valid(pfn)) { + page = pfn_to_page(page); + if (!page->mapping || !page->mapping->i_mmap_shared) + __clear_bit(PG_mapped, &page->flags); + } } return pte; } |