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
215 	struct z3fold_buddy_slots *slots;  in alloc_slots()  local
217 	slots = kmem_cache_zalloc(pool->c_handle,  in alloc_slots()
220 	if (slots) {  in alloc_slots()
222 		kmemleak_not_leak(slots);  in alloc_slots()
223 		slots->pool = (unsigned long)pool;  in alloc_slots()
224 		rwlock_init(&slots->lock);  in alloc_slots()
227 	return slots;  in alloc_slots()
261 	struct z3fold_buddy_slots *slots;  in get_z3fold_header()  local
266 		slots = handle_to_slots(handle);  in get_z3fold_header()
270 			read_lock(&slots->lock);  in get_z3fold_header()
274 			read_unlock(&slots->lock);  in get_z3fold_header()
296 	struct z3fold_buddy_slots *slots;  in free_handle()  local
306 	slots = handle_to_slots(handle);  in free_handle()
307 	write_lock(&slots->lock);  in free_handle()
310 	if (test_bit(HANDLES_NOFREE, &slots->pool)) {  in free_handle()
311 		write_unlock(&slots->lock);  in free_handle()
315 	if (zhdr->slots != slots)  in free_handle()
320 		if (slots->slot[i]) {  in free_handle()
325 	write_unlock(&slots->lock);  in free_handle()
328 		struct z3fold_pool *pool = slots_to_pool(slots);  in free_handle()
330 		if (zhdr->slots == slots)  in free_handle()
331 			zhdr->slots = NULL;  in free_handle()
332 		kmem_cache_free(pool->c_handle, slots);  in free_handle()
389 	struct z3fold_buddy_slots *slots;  in init_z3fold_page()  local
400 	slots = alloc_slots(pool, gfp);  in init_z3fold_page()
401 	if (!slots)  in init_z3fold_page()
408 	zhdr->slots = slots;  in init_z3fold_page()
438 				struct z3fold_buddy_slots *slots,  in __encode_handle()  argument
457 	write_lock(&slots->lock);  in __encode_handle()
458 	slots->slot[idx] = h;  in __encode_handle()
459 	write_unlock(&slots->lock);  in __encode_handle()
460 	return (unsigned long)&slots->slot[idx];  in __encode_handle()
465 	return __encode_handle(zhdr, zhdr->slots, bud);  in encode_handle()
471 	struct z3fold_buddy_slots *slots = handle_to_slots(handle);  in handle_to_chunks()  local
474 	read_lock(&slots->lock);  in handle_to_chunks()
476 	read_unlock(&slots->lock);  in handle_to_chunks()
488 	struct z3fold_buddy_slots *slots = handle_to_slots(handle);  in handle_to_buddy()  local
491 	read_lock(&slots->lock);  in handle_to_buddy()
494 	read_unlock(&slots->lock);  in handle_to_buddy()
671 	 * No need to protect slots here -- all the slots are "local" and  in compact_single_buddy()
674 	if (zhdr->first_chunks && zhdr->slots->slot[first_idx]) {  in compact_single_buddy()
677 		old_handle = (unsigned long)&zhdr->slots->slot[first_idx];  in compact_single_buddy()
679 	} else if (zhdr->middle_chunks && zhdr->slots->slot[middle_idx]) {  in compact_single_buddy()
682 		old_handle = (unsigned long)&zhdr->slots->slot[middle_idx];  in compact_single_buddy()
684 	} else if (zhdr->last_chunks && zhdr->slots->slot[last_idx]) {  in compact_single_buddy()
687 		old_handle = (unsigned long)&zhdr->slots->slot[last_idx];  in compact_single_buddy()
725 		write_lock(&zhdr->slots->lock);  in compact_single_buddy()
731 		write_unlock(&zhdr->slots->lock);  in compact_single_buddy()
954 	if (zhdr && !zhdr->slots)  in __z3fold_alloc()
955 		zhdr->slots = alloc_slots(pool,  in __z3fold_alloc()
1320 	struct z3fold_buddy_slots slots __attribute__((aligned(SLOTS_ALIGN)));  in z3fold_reclaim_page()  local
1322 	rwlock_init(&slots.lock);  in z3fold_reclaim_page()
1323 	slots.pool = (unsigned long)pool | (1 << HANDLES_NOFREE);  in z3fold_reclaim_page()
1396 			 * use our local slots structure because z3fold_free  in z3fold_reclaim_page()
1397 			 * can zero out zhdr->slots and we can't do much  in z3fold_reclaim_page()
1403 			memset(slots.slot, 0, sizeof(slots.slot));  in z3fold_reclaim_page()
1405 				first_handle = __encode_handle(zhdr, &slots,  in z3fold_reclaim_page()
1408 				middle_handle = __encode_handle(zhdr, &slots,  in z3fold_reclaim_page()
1411 				last_handle = __encode_handle(zhdr, &slots,  in z3fold_reclaim_page()
1450 			struct z3fold_buddy_slots *slots = zhdr->slots;  in z3fold_reclaim_page()  local
1454 				kmem_cache_free(pool->c_handle, slots);  in z3fold_reclaim_page()