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From: Ed L Cashin <ecashin@uga.edu>
To: "Kuas (gmane)" <ku4s@users.sourceforge.net>
Cc: linux-mm@kvack.org
Subject: Re: Page Mapping
Date: Mon, 19 Apr 2004 11:58:17 -0400	[thread overview]
Message-ID: <87k70cnena.fsf@uga.edu> (raw)
In-Reply-To: <87n058ng3m.fsf@uga.edu> (Ed L Cashin's message of "Mon, 19 Apr 2004 11:26:53 -0400")

Ed L Cashin <ecashin@uga.edu> writes:

...
> If you know the page is present in RAM and you want to access the
> contents of the page, you can convert it to a virtual address and then
> use that address.  There's the "phys_to_virt" function that you can
> use.

I should have mentioned that looking at get_user_pages in mm/memory.c
first is a good idea.  It will help remind you of all the
synchronization issues.

-- 
--Ed L Cashin            |   PGP public key:
  ecashin@uga.edu        |   http://noserose.net/e/pgp/

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      reply	other threads:[~2004-04-19 15:58 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-05  2:57 Page Mapping Kuas (gmane)
2004-04-05 14:49 ` Kuas (gmane)
2004-04-19 15:26   ` Ed L Cashin
2004-04-19 15:58     ` Ed L Cashin [this message]

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