--- old/src/hotspot/share/gc/shared/gcInitLogger.cpp	2020-05-25 14:25:36.728456309 +0200
+++ new/src/hotspot/share/gc/shared/gcInitLogger.cpp	2020-05-25 14:25:36.460454980 +0200
@@ -59,7 +59,9 @@
 }
 
 void GCInitLogger::print_memory() {
-  log_info(gc, init)("Memory: " JULONG_FORMAT "M", os::physical_memory() / M);
+  julong memory = os::physical_memory();
+  log_info(gc, init)("Memory: " JULONG_FORMAT "%s",
+                     byte_size_in_proper_unit(memory), proper_unit_for_byte_size(memory));
 }
 
 void GCInitLogger::print_large_pages() {