linux-kernel - Re: [PATCH] trim memory not covered by WB MTRRs

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Date:	Fri, 8 Jun 2007 14:28:56 -0700
From:	Jesse Barnes <jesse.barnes@...el.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	Justin Piszcz <jpiszcz@...idpixels.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH] trim memory not covered by WB MTRRs

On Friday, June 8, 2007 2:15:00 Andrew Morton wrote:
> > Something similar could be done on i386 if needed, but the boot
> > ordering would be slightly different, since the MTRR code on i386
> > depends on the boot_cpu_data structure being setup.
>
> i386 allmodconfig:
>
> arch/i386/kernel/cpu/mtrr/main.c: In function
> 'mtrr_trim_uncached_memory': arch/i386/kernel/cpu/mtrr/main.c:655:
> error: 'end_pfn' undeclared (first use in this function)
> arch/i386/kernel/cpu/mtrr/main.c:655: error: (Each undeclared
> identifier is reported only once
> arch/i386/kernel/cpu/mtrr/main.c:655: error: for each function it
> appears in.)
>
> I'll poke some ifdefs in there.

Oops, sorry about that, the code is only called on x86_64 but compiled 
even for i386...

Jesse
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