From: Ingo Oeser <ioe-lkml@rameria.de>
To: linux-kernel@vger.kernel.org
Cc: Vivek Kutal <vivek.kutal@gmail.com>
Subject: Re: Need for SHIFT and MASK
Date: Sun, 9 Oct 2005 14:23:10 +0200 [thread overview]
Message-ID: <200510091423.24660.ioe-lkml@rameria.de> (raw)
In-Reply-To: <b9a245c10510090502r4e87696fqe111c0071e7f2a03@mail.gmail.com>
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Hi Vivek,
On Sunday 09 October 2005 14:02, Vivek Kutal wrote:
> While browsing through the code i came across macros like SHIFT , MASK
> , SIZE which are used in conversion from linear address to physical
> address
> but this is the job of the processor (address translation) then why do
> we have these macros
> can anyone please explain.
This is usally table driven and someone has to set up
this "Page Translation Tables". That's a job of the Linux kernel.
Just use sth. like Google to find out how it works
or go to the library and read some books on OS design
and virtual memory management.
Happy Studying!
Regards
Ingo Oeser
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next prev parent reply other threads:[~2005-10-09 12:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-09 12:02 Vivek Kutal
2005-10-09 12:23 ` Ingo Oeser [this message]
2005-10-09 18:40 ` Vivek Kutal
2005-10-10 0:21 ` Fawad Lateef
2005-10-10 13:13 ` Vivek Kutal
2005-10-10 16:49 ` Fawad Lateef
2005-10-10 14:37 ` Denis Vlasenko
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