commit 7caf6bea2a94e5b66efe87a54b0538fa04ac65d1
Author: Wenchao Hao <haowenchao22@gmail.com>
Date:   Fri Sep 27 17:34:03 2024 +0800

    init
    
    Signed-off-by: Wenchao Hao <haowenchao22@gmail.com>

diff --git a/demo.c b/demo.c
new file mode 100644
index 0000000..b2d7528
--- /dev/null
+++ b/demo.c
@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#define MB_BYTES (1024*1024)
+
+int main(void)
+{
+	unsigned long *p;
+	int i = 0;
+	int nr_mb;
+	int bytes;
+	int max;
+
+	printf("please specify how many memory to alloc\n");
+	scanf("%d", &nr_mb);
+
+	bytes = nr_mb * MB_BYTES;
+	max = bytes / 8;
+	p = malloc(bytes);
+
+	for (i = 0; i < max; i++)
+		*(p + i) = i;
+
+	while(1);
+
+	return 0;
+}
+