diff --git a/test_swap.c b/test_swap.c
index 7d650c2..581fd3a 100644
--- a/test_swap.c
+++ b/test_swap.c
@@ -36,15 +36,14 @@ int main()
 
 	/* fill data */
 	for (i = 0; i < SIZE / 8; i += 8)
-		*(p + i) = (unsigned long)rand() << 32 | rand();
+		*(p + i) = 0xffff + i;
 
 	/* trigger pageout and get time of pageout */
 	gettimeofday(&tv_b, NULL);
 	madvise(p, SIZE, MADV_PAGEOUT);
 	gettimeofday(&tv_e, NULL);
 
-	printf("swp out bandwidth: %ld bytes/ms\n",
-			SIZE/(tv_to_ms(tv_e) - tv_to_ms(tv_b)));
+	printf("swp out bandwidth: %ld bytes/ms\n", SIZE/(tv_to_ms(tv_e) - tv_to_ms(tv_b)));
 
 	/* read to trigger swapin and */
 	gettimeofday(&tv_b, NULL);
@@ -52,8 +51,7 @@ int main()
 		*(c + i) = i;
 	gettimeofday(&tv_e, NULL);
 
-	printf("swp in  bandwidth: %ld bytes/ms\n",
-			SIZE/(tv_to_ms(tv_e) - tv_to_ms(tv_b)));
+	printf("swp in  bandwidth: %ld bytes/ms\n", SIZE/(tv_to_ms(tv_e) - tv_to_ms(tv_b)));
 
 	pid = fork();