X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=mm%2Finternal.h;h=a346ba120e4211e49473350c3a933afa26a43625;hb=32665f2bbfed2e325d37236d9b0071a11a69124e;hp=684f7aa9692aecc9e002a3095468a23c5c5c4ed4;hpb=7c6a4acc645cdd938300d5f9bb367f72170af310;p=firefly-linux-kernel-4.4.55.git

diff --git a/mm/internal.h b/mm/internal.h
index 684f7aa9692a..a346ba120e42 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -47,11 +47,9 @@ static inline void __get_page_tail_foll(struct page *page,
 	 * page_cache_get_speculative()) on tail pages.
 	 */
 	VM_BUG_ON(atomic_read(&page->first_page->_count) <= 0);
-	VM_BUG_ON(atomic_read(&page->_count) != 0);
-	VM_BUG_ON(page_mapcount(page) < 0);
 	if (get_page_head)
 		atomic_inc(&page->first_page->_count);
-	atomic_inc(&page->_mapcount);
+	get_huge_page_tail(page);
 }
 
 /*