mbuf: fix data room size calculation in pool init

[dpdk.git] / examples / vhost / main.c

diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index ad10f82..fc73d1e 100644 (file)
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -2844,11 +2844,10 @@ static void
 setup_mempool_tbl(int socket, uint32_t index, char *pool_name,
        char *ring_name, uint32_t nb_mbuf)
 {
-       uint16_t roomsize = VIRTIO_DESCRIPTOR_LEN_ZCP + RTE_PKTMBUF_HEADROOM;
        vpool_array[index].pool
                = rte_mempool_create(pool_name, nb_mbuf, MBUF_SIZE_ZCP,
                MBUF_CACHE_SIZE_ZCP, sizeof(struct rte_pktmbuf_pool_private),
-               rte_pktmbuf_pool_init, (void *)(uintptr_t)roomsize,
+               rte_pktmbuf_pool_init, NULL,
                rte_pktmbuf_init, NULL, socket, 0);
        if (vpool_array[index].pool != NULL) {
                vpool_array[index].ring
@@ -2870,7 +2869,7 @@ setup_mempool_tbl(int socket, uint32_t index, char *pool_name,
                }
 
                /* Need consider head room. */
-               vpool_array[index].buf_size = roomsize - RTE_PKTMBUF_HEADROOM;
+               vpool_array[index].buf_size = VIRTIO_DESCRIPTOR_LEN_ZCP;
        } else {
                rte_exit(EXIT_FAILURE, "mempool_create(%s) failed", pool_name);
        }