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: Fri, 9 Jun 2000 00:03:54 +0100 [thread overview]
Message-ID: <20000609000354.G3886@redhat.com> (raw)
In-Reply-To: <20000608225108Z131165-245+107@kanga.kvack.org>; from ttabi@interactivesi.com on Thu, Jun 08, 2000 at 05:27:42PM -0500
Hi,
On Thu, Jun 08, 2000 at 05:27:42PM -0500, Timur Tabi wrote:
>
> Unfortunately, that's not an option. We need to be able to reserve/allocate
> pages in a driver's init_module() function, and I don't mean drivers that are
> compiled with the kernel. We need to be able to ship a stand-alone driver that
> can work with pretty much any Linux distro of a particular version (e.g. we can
> say that only 2.4.14 and above is supported).
About the only thing you could do would be to keep allocating pages until
you get one with the desired properties. The kernel won't make any
guarantees about being able to free specific pages for you.
Cheers,
Stephen
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next prev parent reply other threads:[~2000-06-08 23:03 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
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 [this message]
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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