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-rw-r--r--mm/internal.h3
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,
51 VM_BUG_ON(page_mapcount(page) < 0); 51 VM_BUG_ON(page_mapcount(page) < 0);
52 if (get_page_head) 52 if (get_page_head)
53 atomic_inc(&page->first_page->_count); 53 atomic_inc(&page->first_page->_count);
54 atomic_inc(&page->_mapcount); 54 if (compound_tail_refcounted(page->first_page))
55 atomic_inc(&page->_mapcount);
55} 56}
56 57
57/* 58/*