diff options
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/internal.h b/mm/internal.h index 684f7aa9692a..a85a3ab1f7ef 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -51,7 +51,8 @@ static inline void __get_page_tail_foll(struct page *page, VM_BUG_ON(page_mapcount(page) < 0); if (get_page_head) atomic_inc(&page->first_page->_count); - atomic_inc(&page->_mapcount); + if (compound_tail_refcounted(page->first_page)) + atomic_inc(&page->_mapcount); } /* |