z3fold.c - OpenGrok cross reference for /kernel/linux/linux-5.10/mm/z3fold.c

Lines Matching refs:buddy
79 enum buddy {
101  * @buddy:		links the z3fold page into the relevant list in the
106  * @slots:		pointer to the structure holding buddy slots
109  * @first_chunks:	the size of the first buddy in chunks, 0 if free
110  * @middle_chunks:	the size of the middle buddy in chunks, 0 if free
111  * @last_chunks:	the size of the last buddy in chunks, 0 if free
116 	struct list_head buddy;
141  *		added buddy.
428 	INIT_LIST_HEAD(&zhdr->buddy);
446 static inline int __idx(struct z3fold_header *zhdr, enum buddy bud)
452  * Encodes the handle of a particular buddy within a z3fold page
457 				enum buddy bud)
481 static unsigned long encode_handle(struct z3fold_header *zhdr, enum buddy bud)
501  *  correct buddy number.
503 static enum buddy handle_to_buddy(unsigned long handle)
527 	WARN_ON(!list_empty(&zhdr->buddy));
539 	list_add(&zhdr->buddy, &pool->stale);
567 	list_del_init(&zhdr->buddy);
581 						struct z3fold_header, buddy);
584 		list_del(&zhdr->buddy);
630 		list_add(&zhdr->buddy, &unbuddied[freechunks]);
637 static inline enum buddy get_free_buddy(struct z3fold_header *zhdr, int chunks)
639 	enum buddy bud = HEADLESS;
709 		enum buddy new_bud = HEADLESS;
834 	list_del_init(&zhdr->buddy);
889 					struct z3fold_header, buddy);
898 						struct z3fold_header, buddy)) ||
907 		list_del_init(&zhdr->buddy);
945 						struct z3fold_header, buddy);
952 			list_del_init(&zhdr->buddy);
1095 	enum buddy bud;
1131 						struct z3fold_header, buddy);
1138 			list_del(&zhdr->buddy);
1216 	enum buddy bud;
1278 		list_del_init(&zhdr->buddy);
1397 			list_del_init(&zhdr->buddy);
1497  * Extracts the buddy number from handle and constructs the pointer to the
1507 	enum buddy buddy;
1516 	buddy = handle_to_buddy(handle);
1517 	switch (buddy) {
1529 		pr_err("unknown buddy id %d\n", buddy);
1551 	enum buddy buddy;
1559 	buddy = handle_to_buddy(handle);
1560 	if (buddy == MIDDLE)
1601 	if (!list_empty(&zhdr->buddy))
1602 		list_del_init(&zhdr->buddy);
1650 	 * z3fold_page_isolate() ensures that new_zhdr->buddy is empty,
1653 	INIT_LIST_HEAD(&new_zhdr->buddy);
1691 	if (!list_empty(&zhdr->buddy))
1692 		list_del_init(&zhdr->buddy);