20 struct page_pinner {  struct
98 	.size = sizeof(struct page_pinner),
103 static inline struct page_pinner *get_page_pinner(struct page_ext *page_ext)  in get_page_pinner()
132 static void check_longterm_pin(struct page_pinner *page_pinner,  in check_longterm_pin()  argument
143 	if (page_pinner->ts_usec < now)  in check_longterm_pin()
144 		delta = now - page_pinner->ts_usec;  in check_longterm_pin()
149 	record.handle = page_pinner->handle;  in check_longterm_pin()
162 	struct page_pinner *page_pinner;  in __reset_page_pinner()  local
176 		page_pinner = get_page_pinner(page_ext);  in __reset_page_pinner()
180 			atomic_set(&page_pinner->count, 0);  in __reset_page_pinner()
183 			check_longterm_pin(page_pinner, page);  in __reset_page_pinner()
195 	struct page_pinner *page_pinner;  in __set_page_pinner_handle()  local
200 		page_pinner = get_page_pinner(page_ext);  in __set_page_pinner_handle()
201 		page_pinner->handle = handle;  in __set_page_pinner_handle()
202 		page_pinner->ts_usec = usec;  in __set_page_pinner_handle()
204 		atomic_inc(&page_pinner->count);  in __set_page_pinner_handle()
287 	struct page_pinner *page_pinner;  in __dump_page_pinner()  local
302 	page_pinner = get_page_pinner(page_ext);  in __dump_page_pinner()
304 	count = atomic_read(&page_pinner->count);  in __dump_page_pinner()
312 	ts_usec = page_pinner->ts_usec;  in __dump_page_pinner()
324 	handle = READ_ONCE(page_pinner->handle);  in __dump_page_pinner()