vppinfra: autodetect default hugepage size

[vpp.git] / src / plugins / dpdk / device / init.c

diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index 6553fca..b9b3b15 100644 (file)
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -1284,15 +1284,17 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
          /* *INDENT-ON* */
        }
 
+      uword default_hugepage_sz = clib_mem_get_default_hugepage_size ();
       /* *INDENT-OFF* */
       clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
         {
          clib_error_t *e;
-
+         uword n_pages;
          vec_validate(mem_by_socket, c);
+         n_pages = round_pow2 (mem_by_socket[c], default_hugepage_sz);
+         n_pages /= default_hugepage_sz;
 
-         e = clib_sysfs_prealloc_hugepages(c, 0, mem_by_socket[c] / 2);
-         if (e)
+         if ((e = clib_sysfs_prealloc_hugepages(c, 0, n_pages)))
            clib_error_report (e);
       }));
       /* *INDENT-ON* */