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Message-ID: <20080620143717.GH8135@elte.hu>
Date: Fri, 20 Jun 2008 16:37:17 +0200
From: Ingo Molnar <mingo@...e.hu>
To: Bernhard Walle <bwalle@...e.de>
Cc: linux-kernel@...r.kernel.org, yhlu.kernel@...il.com,
the arch/x86 maintainers <x86@...nel.org>
Subject: Re: [PATCH] Unify crashkernel reservation for 32 and 64 bit
* Bernhard Walle <bwalle@...e.de> wrote:
> > famous last words :)
> >
> > can you see any functionality difference between them? If yes, that
> > should be declared.
>
> The only difference was the calculation of memory -- it's more
> complicated on i386 because of high memory support, so that was
> outsourced to an inline function. However, because the highmem is in
>
> #ifdef CONFIG_HIGHMEM
> #endif
>
> and CONFIG_HIGHMEM is off on x86-64, that doesn't matter. Do you see
> another issue?
i can see no issue, i was just was confused a bit by the "more or less"
qualifier.
I've applied your patch to tip/x86/mpparse, thanks Bernhard.
> I tested it on both x86-64 and i386, with CONFIG_KEXEC on and off (so
> that it compiles).
that's always good to know - it's useful to know the amount and scope of
testing - i've put this into the changelog.
Ingo
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