RE: how to get PFN of page cache?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




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" <pranjas@xxxxxxxxx>
Sent : 2014-03-20 22:05:30 ( +09:00 )
To : pravin jadav <pravin.jadav17@xxxxxxxxx>
Cc : Kernelnewbies@xxxxxxxxxxxxxxxxx <Kernelnewbies@xxxxxxxxxxxxxxxxx>
Subject : Re: how to get PFN of page cache?


On Mar 20, 2014 5:22 PM, "pravin jadav" <pravin.jadav17@xxxxxxxxx> 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@xxxxxxxxxxxxxxxxx
> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>

_______________________________________________
Kernelnewbies mailing list
Kernelnewbies@xxxxxxxxxxxxxxxxx
http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

[Index of Archives]     [Newbies FAQ]     [Linux Kernel Mentors]     [Linux Kernel Development]     [IETF Annouce]     [Git]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux SCSI]     [Linux ACPI]
  Powered by Linux