linux-kernel - Re: [patch] tip/x86_64: fix e820 merge issue which broke max_pfn

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Message-ID: <4874FF58.5030800@goop.org>
Date:	Wed, 09 Jul 2008 11:11:36 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Yinghai Lu <yhlu.kernel@...il.com>
CC:	Suresh Siddha <suresh.b.siddha@...el.com>,
	"mingo@...e.hu" <mingo@...e.hu>, "hpa@...or.com" <hpa@...or.com>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [patch] tip/x86_64: fix e820 merge issue which broke max_pfn_mapped

Yinghai Lu wrote:
> try to reduce #ifdef CONFIG_X86_64/32, and make 32/64 at the same page.
>
> could be some regression from early_io_remap unifying from jeremy
>
> please check attached revert patch.

Could my patch "x86_64: there's no need to preallocate 
level1_fixmap_pgt" be a problem in itself?  It seems sound to me, but 
none of my other code has any functional dependency on it; it's really 
just cosmetic.

The unified early_ioremap patch has been kicking around in tip.git for a 
week or more now, and doesn't seem to have caused any problems.

    J
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