778 	struct page *hpage = compound_head(p);  in me_huge_page()  local
789 	if (!(page_mapping(hpage) || PageAnon(hpage))) {  in me_huge_page()
790 		res = dequeue_hwpoisoned_huge_page(hpage);  in me_huge_page()
929 	struct page *hpage = *hpagep;  in hwpoison_user_mappings()  local
938 	if (!(PageLRU(hpage) || PageHuge(p)))  in hwpoison_user_mappings()
945 	if (!page_mapped(hpage))  in hwpoison_user_mappings()
965 	mapping = page_mapping(hpage);  in hwpoison_user_mappings()
966 	if (!(flags & MF_MUST_KILL) && !PageDirty(hpage) && mapping &&  in hwpoison_user_mappings()
968 		if (page_mkclean(hpage)) {  in hwpoison_user_mappings()
969 			SetPageDirty(hpage);  in hwpoison_user_mappings()
985 	ppage = hpage;  in hwpoison_user_mappings()
987 	if (PageTransHuge(hpage)) {  in hwpoison_user_mappings()
998 		if (!PageHuge(hpage) && PageAnon(hpage)) {  in hwpoison_user_mappings()
999 			if (unlikely(split_huge_page(hpage))) {  in hwpoison_user_mappings()
1018 			if (hpage != p) {  in hwpoison_user_mappings()
1020 					put_page(hpage);  in hwpoison_user_mappings()
1024 				unlock_page(hpage);  in hwpoison_user_mappings()
1065 static void set_page_hwpoison_huge_page(struct page *hpage)  in set_page_hwpoison_huge_page()  argument
1068 	int nr_pages = 1 << compound_order(hpage);  in set_page_hwpoison_huge_page()
1070 		SetPageHWPoison(hpage + i);  in set_page_hwpoison_huge_page()
1073 static void clear_page_hwpoison_huge_page(struct page *hpage)  in clear_page_hwpoison_huge_page()  argument
1076 	int nr_pages = 1 << compound_order(hpage);  in clear_page_hwpoison_huge_page()
1078 		ClearPageHWPoison(hpage + i);  in clear_page_hwpoison_huge_page()
1103 	struct page *hpage;  in memory_failure()  local
1119 	hpage = compound_head(p);  in memory_failure()
1133 		nr_pages = 1 << compound_order(hpage);  in memory_failure()
1153 		!get_page_unless_zero(hpage)) {  in memory_failure()
1157 		} else if (PageHuge(hpage)) {  in memory_failure()
1161 			lock_page(hpage);  in memory_failure()
1162 			if (PageHWPoison(hpage)) {  in memory_failure()
1164 				    || (p != hpage && TestSetPageHWPoison(hpage))) {  in memory_failure()
1166 					unlock_page(hpage);  in memory_failure()
1170 			set_page_hwpoison_huge_page(hpage);  in memory_failure()
1171 			res = dequeue_hwpoisoned_huge_page(hpage);  in memory_failure()
1174 			unlock_page(hpage);  in memory_failure()
1191 		if (!PageLRU(hpage))  in memory_failure()
1192 			shake_page(hpage, 0);  in memory_failure()
1193 		if (!PageLRU(hpage)) {  in memory_failure()
1208 	lock_page(hpage);  in memory_failure()
1214 	if (compound_head(p) != hpage) {  in memory_failure()
1235 		put_page(hpage);  in memory_failure()
1242 		unlock_page(hpage);  in memory_failure()
1243 		put_page(hpage);  in memory_failure()
1254 	if (PageHuge(p) && PageTail(p) && TestSetPageHWPoison(hpage)) {  in memory_failure()
1256 		unlock_page(hpage);  in memory_failure()
1257 		put_page(hpage);  in memory_failure()
1267 		set_page_hwpoison_huge_page(hpage);  in memory_failure()
1282 	if (hwpoison_user_mappings(p, pfn, trapno, flags, &hpage)  in memory_failure()
1317 	unlock_page(hpage);  in memory_failure()
1575 	struct page *hpage = compound_head(page);  in soft_offline_huge_page()  local
1582 	lock_page(hpage);  in soft_offline_huge_page()
1583 	if (PageHWPoison(hpage)) {  in soft_offline_huge_page()
1584 		unlock_page(hpage);  in soft_offline_huge_page()
1585 		put_page(hpage);  in soft_offline_huge_page()
1589 	unlock_page(hpage);  in soft_offline_huge_page()
1591 	ret = isolate_huge_page(hpage, &pagelist);  in soft_offline_huge_page()
1596 	put_page(hpage);  in soft_offline_huge_page()
1612 		putback_active_hugepage(hpage);  in soft_offline_huge_page()
1618 			set_page_hwpoison_huge_page(hpage);  in soft_offline_huge_page()
1619 			dequeue_hwpoisoned_huge_page(hpage);  in soft_offline_huge_page()
1620 			atomic_long_add(1 << compound_order(hpage),  in soft_offline_huge_page()
1734 	struct page *hpage = compound_head(page);  in soft_offline_page()  local
1740 	if (!PageHuge(page) && PageTransHuge(hpage)) {  in soft_offline_page()
1741 		if (PageAnon(hpage) && unlikely(split_huge_page(hpage))) {  in soft_offline_page()
1759 			set_page_hwpoison_huge_page(hpage);  in soft_offline_page()
1760 			if (!dequeue_hwpoisoned_huge_page(hpage))  in soft_offline_page()
1761 				atomic_long_add(1 << compound_order(hpage),  in soft_offline_page()