From: Timur Tabi <ttabi@interactivesi.com>
To: "Albert D. Cahalan" <acahalan@cs.uml.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Allocating more than 890MB in the kernel?
Date: Fri, 26 Oct 2001 11:13:32 -0500 [thread overview]
Message-ID: <3BD98BAC.9060503@interactivesi.com> (raw)
In-Reply-To: <200110250404.f9P44KM162546@saturn.cs.uml.edu>
Albert D. Cahalan wrote:
> 1. reserve a 3 GB chunk of memory at boot
> 2. create a regular user process
> 3. have that process make a system call which will never return
> 4. in that system call, wipe out all memory mappings in the process
> 5. hand-craft a 3 GB memory mapping (0 GB virt --> 1 GB phys)
> 6. call your desired code, remembering to schedule by hand
Thanks, that's the most useful idea I've gotten. It's crazy, but it just
might work!
Too bad no one else on this list can think outside of the box like you just did.
prev parent reply other threads:[~2001-10-26 16:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-19 18:48 Allocating more than 890MB in the kernel? Timur Tabi
2001-10-19 19:04 ` John Tyner
2001-10-19 19:41 ` Timur Tabi
2001-10-19 19:59 ` H. Peter Anvin
2001-10-19 20:21 ` Timur Tabi
2001-10-19 20:32 ` H. Peter Anvin
2001-10-20 4:40 ` Rob Landley
2001-10-20 18:09 ` H. Peter Anvin
2001-10-25 4:04 ` Albert D. Cahalan
2001-10-26 16:13 ` Timur Tabi [this message]
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