202 	struct zbud_pool *pool;  in zbud_create_pool()  local
205 	pool = kzalloc(sizeof(struct zbud_pool), gfp);  in zbud_create_pool()
206 	if (!pool)  in zbud_create_pool()
208 	spin_lock_init(&pool->lock);  in zbud_create_pool()
210 		INIT_LIST_HEAD(&pool->unbuddied[i]);  in zbud_create_pool()
211 	INIT_LIST_HEAD(&pool->buddied);  in zbud_create_pool()
212 	pool->pages_nr = 0;  in zbud_create_pool()
213 	return pool;  in zbud_create_pool()
222 static void zbud_destroy_pool(struct zbud_pool *pool)  in zbud_destroy_pool()  argument
224 	kfree(pool);  in zbud_destroy_pool()
246 static int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp,  in zbud_alloc()  argument
259 	spin_lock(&pool->lock);  in zbud_alloc()
263 		if (!list_empty(&pool->unbuddied[i])) {  in zbud_alloc()
264 			zhdr = list_first_entry(&pool->unbuddied[i],  in zbud_alloc()
276 	spin_unlock(&pool->lock);  in zbud_alloc()
280 	spin_lock(&pool->lock);  in zbud_alloc()
281 	pool->pages_nr++;  in zbud_alloc()
294 		list_add(&zhdr->buddy, &pool->unbuddied[freechunks]);  in zbud_alloc()
297 		list_add(&zhdr->buddy, &pool->buddied);  in zbud_alloc()
301 	spin_unlock(&pool->lock);  in zbud_alloc()
311 static void zbud_free(struct zbud_pool *pool, unsigned long handle)  in zbud_free()  argument
316 	spin_lock(&pool->lock);  in zbud_free()
331 		pool->pages_nr--;  in zbud_free()
335 		list_add(&zhdr->buddy, &pool->unbuddied[freechunks]);  in zbud_free()
338 	spin_unlock(&pool->lock);  in zbud_free()
353 static void *zbud_map(struct zbud_pool *pool, unsigned long handle)  in zbud_map()  argument
363 static void zbud_unmap(struct zbud_pool *pool, unsigned long handle)  in zbud_unmap()  argument
374 static u64 zbud_get_pool_size(struct zbud_pool *pool)  in zbud_get_pool_size()  argument
376 	return pool->pages_nr;  in zbud_get_pool_size()
388 static void zbud_zpool_destroy(void *pool)  in zbud_zpool_destroy()  argument
390 	zbud_destroy_pool(pool);  in zbud_zpool_destroy()
393 static int zbud_zpool_malloc(void *pool, size_t size, gfp_t gfp,  in zbud_zpool_malloc()  argument
396 	return zbud_alloc(pool, size, gfp, handle);  in zbud_zpool_malloc()
398 static void zbud_zpool_free(void *pool, unsigned long handle)  in zbud_zpool_free()  argument
400 	zbud_free(pool, handle);  in zbud_zpool_free()
403 static void *zbud_zpool_map(void *pool, unsigned long handle,  in zbud_zpool_map()  argument
406 	return zbud_map(pool, handle);  in zbud_zpool_map()
408 static void zbud_zpool_unmap(void *pool, unsigned long handle)  in zbud_zpool_unmap()  argument
410 	zbud_unmap(pool, handle);  in zbud_zpool_unmap()
413 static u64 zbud_zpool_total_size(void *pool)  in zbud_zpool_total_size()  argument
415 	return zbud_get_pool_size(pool) * PAGE_SIZE;  in zbud_zpool_total_size()