From mboxrd@z Thu Jan  1 00:00:00 1970
From: horserivers@gmail.com (horseriver)
Date: Thu, 3 Jan 2013 14:59:32 +0800
Subject: internel implemention of file operation
Message-ID: <20130103065931.GA20892@debian.localdomain>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

hi:

  when one file is opened , does its  data be put into memory ? and all operation on this file

  will be implemented by operation on its mapping memory area ?

thanks!