From: Christoph Hellwig <hch@infradead.org>
To: "Richard B. Johnson" <root@chaos.analogic.com>
Cc: Tony Luck <aegl@yahoo.com>, linux-kernel@vger.kernel.org
Subject: Re: Virtual address space exhaustion (was Discontigmem virt_to_page() )
Date: Fri, 3 May 2002 20:24:52 +0100 [thread overview]
Message-ID: <20020503202452.A31648@infradead.org> (raw)
In-Reply-To: <20020503200958.A30548@infradead.org> <Pine.LNX.3.95.1020503151302.8450A-100000@chaos.analogic.com>
On Fri, May 03, 2002 at 03:17:35PM -0400, Richard B. Johnson wrote:
> On Fri, 3 May 2002, Christoph Hellwig wrote:
>
> > On Fri, May 03, 2002 at 03:01:48PM -0400, Richard B. Johnson wrote:
> > > The other Unix's I've become familiar are Sun-OS, the
> >
> > SunOS 5 uses separate address spaces on sparcv9 (32 and 64bit).
> > The same is true for many Linux ports, e.g. sparc64 or s390.
> >
>
> No no! I'm not talking about the physical address spaces. Many
> CPUs have separate address spaces for separate functions. I'm
> taking about the virtual address space that the process sees.
> There are no holes in this virtual address space of SunOS, and
> no "separate stuff" (I/O space) seen by a user-mode task.
This thread was about separate user/kernel VIRTUAL address spaces.
Not about holes, I/O spaces or other crap.
next prev parent reply other threads:[~2002-05-03 19:24 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-03 18:37 Virtual address space exhaustion (was Discontigmem virt_to_page() ) Tony Luck
2002-05-03 19:01 ` Richard B. Johnson
2002-04-27 1:15 ` Pavel Machek
2002-05-03 19:09 ` Christoph Hellwig
2002-05-03 19:17 ` Richard B. Johnson
2002-05-03 19:24 ` Christoph Hellwig [this message]
2002-05-03 19:38 ` Matti Aarnio
2002-05-03 19:50 ` Tony Luck
2002-05-03 20:22 ` Jeff Dike
2002-05-03 19:30 ` Richard B. Johnson
2002-05-03 22:35 ` Martin J. Bligh
2002-05-05 0:49 ` Denis Vlasenko
2002-05-05 17:59 ` Martin J. Bligh
-- strict thread matches above, loose matches on Subject: below --
2002-05-03 8:38 Bug: Discontigmem virt_to_page() [Alpha,ARM,Mips64?] Andrea Arcangeli
2002-05-03 15:17 ` Virtual address space exhaustion (was Discontigmem virt_to_page() ) Martin J. Bligh
2002-05-03 15:58 ` Andrea Arcangeli
2002-05-03 16:10 ` Martin J. Bligh
2002-05-03 16:25 ` Andrea Arcangeli
2002-05-03 16:02 ` Daniel Phillips
2002-05-03 16:20 ` Andrea Arcangeli
2002-05-03 16:41 ` Daniel Phillips
2002-05-03 16:58 ` Andrea Arcangeli
2002-05-03 18:08 ` Daniel Phillips
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