333 static __always_inline unsigned int rb_read_page_capacity(struct buffer_data_read_page *rpage)  in rb_read_page_capacity()  argument
335 	return (PAGE_SIZE << rpage->order) - BUF_PAGE_HDR_SIZE;  in rb_read_page_capacity()
7045 				struct buffer_data_read_page **rpage)  in ring_buffer_alloc_read_page()  argument
7054 	if (!rpage)  in ring_buffer_alloc_read_page()
7059 	if (*rpage) {  in ring_buffer_alloc_read_page()
7060 		if ((*rpage)->order == order)  in ring_buffer_alloc_read_page()
7064 		free_pages((unsigned long)(*rpage)->data, (*rpage)->order);  in ring_buffer_alloc_read_page()
7065 		(*rpage)->data = NULL;  in ring_buffer_alloc_read_page()
7067 		*rpage = kzalloc_obj(**rpage);  in ring_buffer_alloc_read_page()
7068 		if (!*rpage)  in ring_buffer_alloc_read_page()
7072 	(*rpage)->order = order;  in ring_buffer_alloc_read_page()
7079 		**rpage = cpu_buffer->free_page;  in ring_buffer_alloc_read_page()
7086 	if ((*rpage)->data) {  in ring_buffer_alloc_read_page()
7087 		rb_init_data_page((*rpage)->data);  in ring_buffer_alloc_read_page()
7089 		(*rpage)->data = alloc_cpu_data(cpu, (*rpage)->order);  in ring_buffer_alloc_read_page()
7090 		if (!(*rpage)->data) {  in ring_buffer_alloc_read_page()
7091 			kfree(*rpage);  in ring_buffer_alloc_read_page()
7092 			*rpage = NULL;  in ring_buffer_alloc_read_page()
7110 				struct buffer_data_read_page *rpage)  in ring_buffer_free_read_page()  argument
7120 	if (!rpage)  in ring_buffer_free_read_page()
7123 	dpage = rpage->data;  in ring_buffer_free_read_page()
7136 	if (page_ref_count(page) > 1 || rpage->order != READ_ONCE(buffer->subbuf_order))  in ring_buffer_free_read_page()
7143 		cpu_buffer->free_page = *rpage;  in ring_buffer_free_read_page()
7151 	free_pages((unsigned long)dpage, rpage->order);  in ring_buffer_free_read_page()
7152 	kfree(rpage);  in ring_buffer_free_read_page()
7252 		struct buffer_data_page *rpage = cpu_buffer->reader_page->page;  in ring_buffer_read_page()  local
7286 			memcpy(dpage->data + pos, rpage->data + rpos, event_size);  in ring_buffer_read_page()
7390 unsigned int ring_buffer_read_page_size(struct buffer_data_read_page *rpage)  in ring_buffer_read_page_size()  argument
7392 	return rpage ? PAGE_SIZE << rpage->order : 0;  in ring_buffer_read_page_size()