From mboxrd@z Thu Jan 1 00:00:00 1970 From: ckim@etri.re.kr (Chan Kim) Date: Fri, 21 Mar 2014 02:39:54 +0000 Subject: how to get PFN of page cache? In-Reply-To: References: , Message-ID: <1A0A429E720CFD4A9673A435389F16362B9C4CB8@SMTP3.etri.info> To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org Pravin, I think Pravin wants to know the Page Frame Number in memory management.(virtual<->physical conversion) But the function drop_pagecache_sb seems to be about the disk cache(file magement or block layer). Chan ________________________________ >>From : "Pranay Srivastava" Sent : 2014-03-20 22:05:30 ( +09:00 ) To : pravin jadav Cc : Kernelnewbies at kernelnewbies.org Subject : Re: how to get PFN of page cache? On Mar 20, 2014 5:22 PM, "pravin jadav" > wrote: > > i want to develop linux kernel module that will get PFN of pagecache pages. > please help me how to develop this kind of kernel module. > See drop_pagecache_sb. What exactly you need?? I don't think you'll need to modify or access the memory defined by that page. So i guess you could do a lockless version when you iterate over pages. > -- > > pravin jadav > M.Tech (IT pursuing ) > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies at kernelnewbies.org > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20140321/f6d7dd6f/attachment-0001.html