linux-kernel - Making external (alien) RAM cacheable

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Message-ID: <9876368.post@talk.nabble.com>
Date:	Fri, 6 Apr 2007 11:28:36 -0700 (PDT)
From:	abscis <abhay_gatech_in@...oo.com>
To:	linux-kernel@...r.kernel.org
Subject: Making external (alien) RAM cacheable

Hi all,

I have 1G physical memory on the system.  out of which only 200 MB is known
to the linux kernel.  Now I have some buffers in the other 824 MB of memory. 
These buffers would be inherently non cacheable because that memory is
unknow to the system.  I was wondering how can I include some of the buffers
in that memory in the page table so that they become cacheable.

Any inputs would be highly appreciated.

Thanks
Aby
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