diff -up numactl-2.0.7/numademo.c.orig numactl-2.0.7/numademo.c
--- numactl-2.0.7/numademo.c.orig	2012-02-15 11:47:10.617212257 +0100
+++ numactl-2.0.7/numademo.c	2012-02-15 11:47:38.570214219 +0100
@@ -156,6 +156,11 @@ void memtest(char *name, unsigned char *
 	int i;
 	char title[128], result[128];
 
+	if (!mem) {
+		fprintf(stderr,"Failed to allocate %lu bytes of memory. Test \"%s\" exits.\n", msize, name);
+		return;
+	}
+
 #ifdef HAVE_STREAM_LIB
 	if (thistest == STREAM) {
 		do_stream(name, mem);