From: "Stephen C. Tweedie" <sct@redhat.com>
To: Timur Tabi <ttabi@interactivesi.com>
Cc: Linux MM mailing list <linux-mm@kvack.org>
Subject: Re: Allocating a page of memory with a given physical address
Date: Thu, 8 Jun 2000 22:47:44 +0100 [thread overview]
Message-ID: <20000608224744.E3886@redhat.com> (raw)
In-Reply-To: <20000608220756Z131165-245+106@kanga.kvack.org>; from ttabi@interactivesi.com on Thu, Jun 08, 2000 at 04:44:21PM -0500
Hi,
On Thu, Jun 08, 2000 at 04:44:21PM -0500, Timur Tabi wrote:
> I have an application that needs to allocate a page of RAM on a given physical
> address. IOW, say I have a physical address (e.g. 0x0CDB5000 on a 256MB
> machine), and I know (via the mem_map array) that it's not being used by
> anything. What I need to do know is allocate that page of memory so that no one
> else can allocate it (via a memory allocation function like get_free_page or
> malloc).
>
> Is this currently possible?
No, nor is it likely to be added without a compelling reason. Why do
you need this?
Cheers,
Stephen
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next prev parent reply other threads:[~2000-06-08 21:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-06-08 21:44 Timur Tabi
2000-06-08 21:47 ` Stephen C. Tweedie [this message]
2000-06-08 21:58 ` Timur Tabi
2000-06-08 22:15 ` Juan J. Quintela
2000-06-08 22:27 ` Timur Tabi
2000-06-08 23:03 ` Stephen C. Tweedie
2000-06-08 23:09 ` Rik van Riel
2000-06-08 23:29 ` Timur Tabi
2000-06-09 21:20 ` Jamie Lokier
2000-06-09 23:04 ` Timur Tabi
2000-06-09 21:34 ` Rik van Riel
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