17  * As in zbud, pages are divided into "chunks".  The size of the chunks is
54  * struct z3fold_header - z3fold page metadata occupying first chunks of each
63  * @first_chunks:	the size of the first buddy in chunks, 0 if free
64  * @middle_chunks:	the size of the middle buddy in chunks, 0 if free
65  * @last_chunks:	the size of the last buddy in chunks, 0 if free
86  * allocation granularity will be in chunks of size PAGE_SIZE/64. Some chunks
89  * which shows the max number of free chunks in z3fold page, also there will
156 /* Converts an allocation size in bytes to size in z3fold chunks */
329  * Returns the number of free chunks in a z3fold page.
338 	 * of chunks occupied by the first and the last objects.  in num_free_chunks()
385 	 * there's substantial gain (at least BIG_CHUNK_GAP chunks)  in z3fold_compact_page()
549 	int chunks = 0, i, freechunks;  in z3fold_alloc()  local
565 		chunks = size_to_chunks(size);  in z3fold_alloc()
570 		for_each_unbuddied_list(i, chunks) {  in z3fold_alloc()
617 				    chunks >= zhdr->start_middle)  in z3fold_alloc()
631 				pr_err("No free chunks in unbuddied\n");  in z3fold_alloc()
676 		zhdr->first_chunks = chunks;  in z3fold_alloc()
678 		zhdr->last_chunks = chunks;  in z3fold_alloc()
680 		zhdr->middle_chunks = chunks;  in z3fold_alloc()