13 void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf)  in hwbm_buf_free()  argument
15 	if (likely(bm_pool->frag_size <= PAGE_SIZE))  in hwbm_buf_free()
23 int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp)  in hwbm_pool_refill()  argument
25 	int frag_size = bm_pool->frag_size;  in hwbm_pool_refill()
36 	if (bm_pool->construct)  in hwbm_pool_refill()
37 		if (bm_pool->construct(bm_pool, buf)) {  in hwbm_pool_refill()
38 			hwbm_buf_free(bm_pool, buf);  in hwbm_pool_refill()
46 int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num)  in hwbm_pool_add()  argument
50 	mutex_lock(&bm_pool->buf_lock);  in hwbm_pool_add()
51 	if (bm_pool->buf_num == bm_pool->size) {  in hwbm_pool_add()
53 		mutex_unlock(&bm_pool->buf_lock);  in hwbm_pool_add()
54 		return bm_pool->buf_num;  in hwbm_pool_add()
57 	if (buf_num + bm_pool->buf_num > bm_pool->size) {  in hwbm_pool_add()
60 		mutex_unlock(&bm_pool->buf_lock);  in hwbm_pool_add()
64 	if ((buf_num + bm_pool->buf_num) < bm_pool->buf_num) {  in hwbm_pool_add()
66 			buf_num,  bm_pool->buf_num);  in hwbm_pool_add()
67 		mutex_unlock(&bm_pool->buf_lock);  in hwbm_pool_add()
72 		err = hwbm_pool_refill(bm_pool, GFP_KERNEL);  in hwbm_pool_add()
78 	bm_pool->buf_num += i;  in hwbm_pool_add()
81 	mutex_unlock(&bm_pool->buf_lock);  in hwbm_pool_add()