60 	unsigned long	head_buffer;  member
1314 		meta->head_buffer = (unsigned long)head->page;  in rb_head_page_activate()
1803 	if (meta->head_buffer < buffers_start ||  in rb_cpu_meta_valid()
1804 	    meta->head_buffer >= buffers_end) {  in rb_cpu_meta_valid()
1923 	if (!meta || !meta->head_buffer)  in rb_meta_validate_events()
2011 		meta->head_buffer = (unsigned long)head_page->page;  in rb_meta_validate_events()
2076 	meta->head_buffer = 0;  in rb_meta_validate_events()
2117 			meta->head_buffer += delta;  in rb_range_meta_init()
2186 			   rb_meta_subbuf_idx(meta, (void *)meta->head_buffer));  in rbm_show()
2232 	if (meta->head_buffer == (unsigned long)bpage->page)  in rb_meta_buffer_update()
2296 			if (meta->head_buffer)  in __rb_allocate_pages()
2394 		if (cpu_buffer->ring_meta->head_buffer)  in rb_allocate_cpu_buffer()
2415 	if (!meta || !meta->head_buffer ||  in rb_allocate_cpu_buffer()
2417 		if (meta && meta->head_buffer &&  in rb_allocate_cpu_buffer()
2435 			meta->commit_buffer = meta->head_buffer;  in rb_allocate_cpu_buffer()
3305 	(void)cmpxchg(&meta->head_buffer, old_head, new_head);  in rb_update_meta_head()
6213 			meta->commit_buffer = meta->head_buffer;  in rb_reset_cpu()