119 void put_unrefcounted_compound_page(struct page *page_head, struct page *page)  in put_unrefcounted_compound_page()  argument
134 		VM_BUG_ON_PAGE(!PageHead(page_head), page_head);  in put_unrefcounted_compound_page()
135 		if (put_page_testzero(page_head)) {  in put_unrefcounted_compound_page()
150 			VM_BUG_ON_PAGE(PageSlab(page_head), page_head);  in put_unrefcounted_compound_page()
151 			__put_compound_page(page_head);  in put_unrefcounted_compound_page()
166 void put_refcounted_compound_page(struct page *page_head, struct page *page)  in put_refcounted_compound_page()  argument
168 	if (likely(page != page_head && get_page_unless_zero(page_head))) {  in put_refcounted_compound_page()
177 		flags = compound_lock_irqsave(page_head);  in put_refcounted_compound_page()
180 			compound_unlock_irqrestore(page_head, flags);  in put_refcounted_compound_page()
181 			if (put_page_testzero(page_head)) {  in put_refcounted_compound_page()
194 				if (PageHead(page_head))  in put_refcounted_compound_page()
195 					__put_compound_page(page_head);  in put_refcounted_compound_page()
197 					__put_single_page(page_head);  in put_refcounted_compound_page()
204 		VM_BUG_ON_PAGE(page_head != compound_head(page), page);  in put_refcounted_compound_page()
211 		if (put_page_testzero(page_head))  in put_refcounted_compound_page()
212 			VM_BUG_ON_PAGE(1, page_head);  in put_refcounted_compound_page()
216 		VM_BUG_ON_PAGE(atomic_read(&page_head->_count) <= 0, page_head);  in put_refcounted_compound_page()
218 		compound_unlock_irqrestore(page_head, flags);  in put_refcounted_compound_page()
220 		if (put_page_testzero(page_head)) {  in put_refcounted_compound_page()
221 			if (PageHead(page_head))  in put_refcounted_compound_page()
222 				__put_compound_page(page_head);  in put_refcounted_compound_page()
224 				__put_single_page(page_head);  in put_refcounted_compound_page()
235 	struct page *page_head;  in put_compound_page()  local
265 	page_head = compound_head(page);  in put_compound_page()
266 	if (!__compound_tail_refcounted(page_head))  in put_compound_page()
267 		put_unrefcounted_compound_page(page_head, page);  in put_compound_page()
269 		put_refcounted_compound_page(page_head, page);  in put_compound_page()
297 	struct page *page_head = compound_head(page);  in __get_page_tail()  local
300 	if (!__compound_tail_refcounted(page_head)) {  in __get_page_tail()
308 			VM_BUG_ON_PAGE(!PageHead(page_head), page_head);  in __get_page_tail()
326 	if (likely(page != page_head && get_page_unless_zero(page_head))) {  in __get_page_tail()
333 		flags = compound_lock_irqsave(page_head);  in __get_page_tail()
339 		compound_unlock_irqrestore(page_head, flags);  in __get_page_tail()
341 			put_page(page_head);  in __get_page_tail()