eal: add legacy memory option

[dpdk.git] / lib / librte_eal / linuxapp / eal / eal.c

diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 77f6cb7..b34e57a 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -348,6 +348,7 @@ eal_usage(const char *prgname)
               "  --"OPT_BASE_VIRTADDR"     Base virtual address\n"
               "  --"OPT_CREATE_UIO_DEV"    Create /dev/uioX (usually done by hotplug)\n"
               "  --"OPT_VFIO_INTR"         Interrupt mode for VFIO (legacy|msi|msix)\n"
+              "  --"OPT_LEGACY_MEM"        Legacy memory mode (no dynamic allocation, contiguous segments)\n"
               "\n");
        /* Allow the application to print its usage message too if hook is set */
        if ( rte_application_usage_hook ) {
@@ -767,6 +768,8 @@ rte_eal_init(int argc, char **argv)
                rte_atomic32_clear(&run_once);
                return -1;
        }
+       /* for now, always set legacy mem */
+       internal_config.legacy_mem = 1;
 
        if (eal_plugins_init() < 0) {
                rte_eal_init_alert("Cannot init plugins\n");