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Pravin,</div>
<div style="LINE-HEIGHT: 15pt">I think Pravin wants to know the Page Frame Number in memory management.(virtual<->physical conversion)</div>
<div style="LINE-HEIGHT: 15pt">But the function drop_pagecache_sb seems to be about the disk cache(file magement or block layer).</div>
<div style="LINE-HEIGHT: 15pt">Chan<br>
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<div style="LINE-HEIGHT: 15pt"><b>From : </b>"Pranay Srivastava" <pranjas@gmail.com><br>
<b>Sent : </b>2014-03-20 22:05:30 ( +09:00 )<br>
<b>To : </b>pravin jadav <pravin.jadav17@gmail.com><br>
<b>Cc : </b>Kernelnewbies@kernelnewbies.org <Kernelnewbies@kernelnewbies.org><br>
<b>Subject : </b>Re: how to get PFN of page cache?<br>
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On Mar 20, 2014 5:22 PM, "pravin jadav" <<a href="mailto:pravin.jadav17@gmail.com" target="_blank">pravin.jadav17@gmail.com</a>> wrote:<br>
><br>
> i want to develop linux kernel module that will get PFN of pagecache pages.<br>
> please help me how to develop this kind of kernel module.<br>
></p>
<p style="LINE-HEIGHT: 15pt">See drop_pagecache_sb. What exactly you need??</p>
<p style="LINE-HEIGHT: 15pt">I don't think you'll need to modify or access the memory defined by that page.</p>
<p style="LINE-HEIGHT: 15pt">So i guess you could do a lockless version when you iterate over pages.</p>
<p style="LINE-HEIGHT: 15pt">> -- <br>
><br>
> pravin jadav<br>
> M.Tech (IT pursuing )<br>
><br>
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