4240 	struct perf_event_mmap_page *userpg;  in perf_event_init_userpage()  local
4248 	userpg = rb->user_page;  in perf_event_init_userpage()
4251 	userpg->cap_bit0_is_deprecated = 1;  in perf_event_init_userpage()
4252 	userpg->size = offsetof(struct perf_event_mmap_page, __reserved);  in perf_event_init_userpage()
4253 	userpg->data_offset = PAGE_SIZE;  in perf_event_init_userpage()
4254 	userpg->data_size = perf_data_size(rb);  in perf_event_init_userpage()
4261 	struct perf_event *event, struct perf_event_mmap_page *userpg, u64 now)  in arch_perf_update_userpage()  argument
4272 	struct perf_event_mmap_page *userpg;  in perf_event_update_userpage()  local
4292 	userpg = rb->user_page;  in perf_event_update_userpage()
4298 	++userpg->lock;  in perf_event_update_userpage()
4300 	userpg->index = perf_event_index(event);  in perf_event_update_userpage()
4301 	userpg->offset = perf_event_count(event);  in perf_event_update_userpage()
4302 	if (userpg->index)  in perf_event_update_userpage()
4303 		userpg->offset -= local64_read(&event->hw.prev_count);  in perf_event_update_userpage()
4305 	userpg->time_enabled = enabled +  in perf_event_update_userpage()
4308 	userpg->time_running = running +  in perf_event_update_userpage()
4311 	arch_perf_update_userpage(event, userpg, now);  in perf_event_update_userpage()
4314 	++userpg->lock;  in perf_event_update_userpage()