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Message-ID: <4A4A21EB.9070708@zytor.com>
Date: Tue, 30 Jun 2009 07:32:11 -0700
From: "H. Peter Anvin" <hpa@...or.com>
To: Jan Beulich <JBeulich@...ell.com>
CC: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ix86: minor highmem related Kconfig cleanup
Jan Beulich wrote:
> Remove a redundant conditional and consolidate a dependency.
>
> Signed-off-by: Jan Beulich <jbeulich@...ell.com>
>
> config HIGHPTE
> bool "Allocate 3rd-level pagetables from highmem"
> - depends on X86_32 && (HIGHMEM4G || HIGHMEM64G)
> + depends on HIGHMEM
> ---help---
> The VM uses one page table entry for each page of physical memory.
> For systems with a lot of RAM, this can be wasteful of precious
>
This is probably correct, but the "3rd-level" should have been removed
from the description long ago when this was made available to non-PAE
mode (if it ever wasn't.)
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
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