title: How to use memmap kernel parameter?
body: <p>I want to reserve 512 MB of RAM starting from 2GB. I have tried using <code>memmap=512M$2G</code>. But after restart when I used <code>cat /proc/cmdline</code>, it displays <code>memmap=512MM</code> and the system become very slow. I am using non UEFI system.</p>