6437 	struct perf_event_mmap_page *userpg;  in perf_event_init_userpage()  local
6445 	userpg = rb->user_page;  in perf_event_init_userpage()
6448 	userpg->cap_bit0_is_deprecated = 1;  in perf_event_init_userpage()
6449 	userpg->size = offsetof(struct perf_event_mmap_page, __reserved);  in perf_event_init_userpage()
6450 	userpg->data_offset = PAGE_SIZE;  in perf_event_init_userpage()
6451 	userpg->data_size = perf_data_size(rb);  in perf_event_init_userpage()
6458 	struct perf_event *event, struct perf_event_mmap_page *userpg, u64 now)  in arch_perf_update_userpage()  argument
6469 	struct perf_event_mmap_page *userpg;  in perf_event_update_userpage()  local
6489 	userpg = rb->user_page;  in perf_event_update_userpage()
6495 	++userpg->lock;  in perf_event_update_userpage()
6497 	userpg->index = perf_event_index(event);  in perf_event_update_userpage()
6498 	userpg->offset = perf_event_count(event, false);  in perf_event_update_userpage()
6499 	if (userpg->index)  in perf_event_update_userpage()
6500 		userpg->offset -= local64_read(&event->hw.prev_count);  in perf_event_update_userpage()
6502 	userpg->time_enabled = enabled +  in perf_event_update_userpage()
6505 	userpg->time_running = running +  in perf_event_update_userpage()
6508 	arch_perf_update_userpage(event, userpg, now);  in perf_event_update_userpage()
6511 	++userpg->lock;  in perf_event_update_userpage()