#!/usr/bin/env python

import sys
import time

if len(sys.argv) != 2:
    print ("usage: fillmem <number-of-megabytes>")
    sys.exit()

count = int(sys.argv[1])

megabyte = (0,) * (1024 * 1024 / 8)

data = megabyte * count

while True:
    time.sleep(1)