Lines Matching defs:slots

3  * Manage cache of swap slots to be used for and returned from
10  * We allocate the swap slots from the global pool and put
17  * lock.  We do not reuse the returned slots directly but
19  * allows the slots to coalesce and reduce fragmentation.
25  * The swap slots cache is protected by a mutex instead of
26  * a spin lock as when we search for slots with scan_swap_map,
43 /* Serialize swap slots cache enable/disable operations */
114 	swp_entry_t *slots;
121 	slots = kvcalloc(SWAP_SLOTS_CACHE_SIZE, sizeof(swp_entry_t),
123 	if (!slots)
128 	if (cache->slots) {
132 		kvfree(slots);
146 	 * !cache->slots or !cache->slots_ret to know if it is safe to acquire
151 	cache->slots = slots;
161 	if (cache->slots) {
163 		swapcache_free_entries(cache->slots + cache->cur, cache->nr);
166 		if (free_slots && cache->slots) {
167 			kvfree(cache->slots);
168 			cache->slots = NULL;
181 	 *	   left over slots are in cache when we remove
184 	 *	   on swap slots when allocating memory and need
185 	 *	   to return swap slots to global pool.
198 	 * fill any swap slots in slots cache of such cpu.
199 	 * There are no slots on such cpu that need to be drained.
222 				       "without swap slots cache.\n", __func__))
242 					   cache->slots, 0);
271 	if (likely(check_cache_active() && cache->slots)) {
273 		if (cache->slots) {
276 				entry = cache->slots[cache->cur];
277 				cache->slots[cache->cur++].val = 0;