618  * @chunks: chunks array from vmbus_alloc_buffer(), or NULL
619  * @chunk_cnt: number of entries in @chunks
621  * When @chunks is NULL the buffer is a plain vzalloc() allocation.
626 void vmbus_free_buffer(void *addr, struct page **chunks, u32 chunk_cnt)  in vmbus_free_buffer()  argument
630 	if (!chunks) {  in vmbus_free_buffer()
639 			(unsigned long)page_address(chunks[i]);  in vmbus_free_buffer()
640 		unsigned int order = folio_order(page_folio(chunks[i]));  in vmbus_free_buffer()
644 		__free_pages(chunks[i], order);  in vmbus_free_buffer()
647 	kvfree(chunks);  in vmbus_free_buffer()
656  * @chunks_out: on success, set to the array of underlying chunks, or NULL when
658  * @chunk_cnt_out: on success, set to the number of chunks
663  * physically-contiguous chunks, starting at MAX_PAGE_ORDER and falling back to
666  * chunks are combined into a virtually-contiguous range via vmap().
678 	struct page **chunks = NULL;  in vmbus_alloc_buffer()  local
697 	chunks = kvmalloc_objs(*chunks, nr_pages, GFP_KERNEL | __GFP_ZERO);  in vmbus_alloc_buffer()
698 	if (!chunks)  in vmbus_alloc_buffer()
739 		chunks[chunk_cnt++] = page;  in vmbus_alloc_buffer()
754 	*chunks_out = chunks;  in vmbus_alloc_buffer()
760 	vmbus_free_buffer(NULL, chunks, chunk_cnt);  in vmbus_alloc_buffer()