90 	 * be enough slots to hold all possible variants
106  * @slots:		pointer to the structure holding buddy slots
120 	struct z3fold_buddy_slots *slots;  member
213 	struct z3fold_buddy_slots *slots;  in alloc_slots()  local
215 	slots = kmem_cache_zalloc(pool->c_handle,  in alloc_slots()
218 	if (slots) {  in alloc_slots()
220 		kmemleak_not_leak(slots);  in alloc_slots()
221 		slots->pool = (unsigned long)pool;  in alloc_slots()
222 		rwlock_init(&slots->lock);  in alloc_slots()
225 	return slots;  in alloc_slots()
260 	struct z3fold_buddy_slots *slots;  in __get_z3fold_header()  local
265 		slots = handle_to_slots(handle);  in __get_z3fold_header()
269 			read_lock(&slots->lock);  in __get_z3fold_header()
274 			read_unlock(&slots->lock);  in __get_z3fold_header()
308 	struct z3fold_buddy_slots *slots;  in free_handle()  local
318 	slots = handle_to_slots(handle);  in free_handle()
319 	write_lock(&slots->lock);  in free_handle()
322 	if (test_bit(HANDLES_NOFREE, &slots->pool)) {  in free_handle()
323 		write_unlock(&slots->lock);  in free_handle()
327 	if (zhdr->slots != slots)  in free_handle()
332 		if (slots->slot[i]) {  in free_handle()
337 	write_unlock(&slots->lock);  in free_handle()
340 		struct z3fold_pool *pool = slots_to_pool(slots);  in free_handle()
342 		if (zhdr->slots == slots)  in free_handle()
343 			zhdr->slots = NULL;  in free_handle()
344 		kmem_cache_free(pool->c_handle, slots);  in free_handle()
401 	struct z3fold_buddy_slots *slots;  in init_z3fold_page()  local
412 	slots = alloc_slots(pool, gfp);  in init_z3fold_page()
413 	if (!slots)  in init_z3fold_page()
426 	zhdr->slots = slots;  in init_z3fold_page()
456 				struct z3fold_buddy_slots *slots,  in __encode_handle()  argument
475 	write_lock(&slots->lock);  in __encode_handle()
476 	slots->slot[idx] = h;  in __encode_handle()
477 	write_unlock(&slots->lock);  in __encode_handle()
478 	return (unsigned long)&slots->slot[idx];  in __encode_handle()
483 	return __encode_handle(zhdr, zhdr->slots, bud);  in encode_handle()
489 	struct z3fold_buddy_slots *slots = handle_to_slots(handle);  in handle_to_chunks()  local
492 	read_lock(&slots->lock);  in handle_to_chunks()
494 	read_unlock(&slots->lock);  in handle_to_chunks()
506 	struct z3fold_buddy_slots *slots = handle_to_slots(handle);  in handle_to_buddy()  local
509 	read_lock(&slots->lock);  in handle_to_buddy()
512 	read_unlock(&slots->lock);  in handle_to_buddy()
688 	 * No need to protect slots here -- all the slots are "local" and  in compact_single_buddy()
691 	if (zhdr->first_chunks && zhdr->slots->slot[first_idx]) {  in compact_single_buddy()
694 		old_handle = (unsigned long)&zhdr->slots->slot[first_idx];  in compact_single_buddy()
696 	} else if (zhdr->middle_chunks && zhdr->slots->slot[middle_idx]) {  in compact_single_buddy()
699 		old_handle = (unsigned long)&zhdr->slots->slot[middle_idx];  in compact_single_buddy()
701 	} else if (zhdr->last_chunks && zhdr->slots->slot[last_idx]) {  in compact_single_buddy()
704 		old_handle = (unsigned long)&zhdr->slots->slot[last_idx];  in compact_single_buddy()
742 		write_lock(&zhdr->slots->lock);  in compact_single_buddy()
748 		write_unlock(&zhdr->slots->lock);  in compact_single_buddy()
970 	if (zhdr && !zhdr->slots)  in __z3fold_alloc()
971 		zhdr->slots = alloc_slots(pool,  in __z3fold_alloc()
1335 	struct z3fold_buddy_slots slots __attribute__((aligned(SLOTS_ALIGN)));  in z3fold_reclaim_page()  local
1337 	rwlock_init(&slots.lock);  in z3fold_reclaim_page()
1338 	slots.pool = (unsigned long)pool | (1 << HANDLES_NOFREE);  in z3fold_reclaim_page()
1411 			 * use our local slots structure because z3fold_free  in z3fold_reclaim_page()
1412 			 * can zero out zhdr->slots and we can't do much  in z3fold_reclaim_page()
1418 			memset(slots.slot, 0, sizeof(slots.slot));  in z3fold_reclaim_page()
1420 				first_handle = __encode_handle(zhdr, &slots,  in z3fold_reclaim_page()
1423 				middle_handle = __encode_handle(zhdr, &slots,  in z3fold_reclaim_page()
1426 				last_handle = __encode_handle(zhdr, &slots,  in z3fold_reclaim_page()
1465 			struct z3fold_buddy_slots *slots = zhdr->slots;  in z3fold_reclaim_page()  local
1469 				kmem_cache_free(pool->c_handle, slots);  in z3fold_reclaim_page()