vhost: suppress error if NUMA is not available

It's a common case that 'get_mempolicy' fails on systems
without NUMA support. No need to flag an error in log for
this situation.

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
index 3c9be10..91026b3 100644 (file)
--- a/lib/librte_vhost/vhost.c
+++ b/lib/librte_vhost/vhost.c
@@ -8,6 +8,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 #ifdef RTE_LIBRTE_VHOST_NUMA
+#include <numa.h>
 #include <numaif.h>
 #endif
 
@@ -480,7 +481,7 @@ rte_vhost_get_numa_node(int vid)
        int numa_node;
        int ret;
 
-       if (dev == NULL)
+       if (dev == NULL || numa_available() != 0)
                return -1;
 
        ret = get_mempolicy(&numa_node, NULL, 0, dev,