1 files changed, 3 insertions, 2 deletions
diff --git a/userspace/bigmem.c b/userspace/bigmem.c
index 5d474aa..505d639 100644
--- a/userspace/bigmem.c
+++ b/userspace/bigmem.c
@@ -1,9 +1,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main()
+int main(int argc,char **argv)
 {
-    for(int i=1;i<100;i++)
+    if(argc==1)printf("usage %s [steps]\n",argv[0]);
+    for(int i=1;i<atoi(argv[1]);i++)
     {
         printf("allocating memory: %d byte\n",i*1024*1024);
         char *mem=calloc(i*1024*1024,1);