+
+ /* allocate default region */
+ error = vlib_physmem_region_alloc (vm, "buffers",
+ vlib_buffer_physmem_sz, 0,
+ VLIB_PHYSMEM_F_INIT_MHEAP, &pri);
+
+ if (error == 0)
+ goto done;
+
+ clib_error_free (error);
+
+ /* we my be running unpriviledged, so try to allocate fake physmem */
+ error = vlib_physmem_region_alloc (vm, "buffers (fake)",
+ vlib_buffer_physmem_sz, 0,
+ VLIB_PHYSMEM_F_FAKE |
+ VLIB_PHYSMEM_F_INIT_MHEAP, &pri);
+done:
+ vlib_buffer_add_physmem_region (vm, pri);
+ return error;