#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <string.h>
#include <err.h>

#define MB_TO_BYTES(x) (x << 20)

int main(int argc, char **argv)
{
	int iterations;
	size_t len;
	void *buf;

	if (argc != 3)
		err(-1, "Wrong number of args");

	len = (size_t)atoi(argv[1]);
	len = MB_TO_BYTES(len);

	iterations = atoi(argv[2]);

	for (int i = 0; i < iterations; i++) {
		buf = malloc(len);
		if (buf == MAP_FAILED)
			err(-1, "malloc failed");
		memset(buf, 1, len);
		memset(buf, 2, len);
		free(buf);
	}
	return 0;
}