<div dir="ltr">Never heard of page-cache?<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jan 3, 2013 at 12:29 PM, horseriver <span dir="ltr"><<a href="mailto:horserivers@gmail.com" target="_blank">horserivers@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">hi:<br>
<br>
when one file is opened , does its data be put into memory ? and all operation on this file<br>
<br>
will be implemented by operation on its mapping memory area ?<br>
<br>
thanks!<br>
<br>
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</blockquote></div><br></div>