linux-kernel - Re: Linux 2.6.22-rc1

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Date:	Tue, 15 May 2007 08:57:58 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	andrew hendry <andrew.hendry@...il.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 2.6.22-rc1



On Tue, 15 May 2007, andrew hendry wrote:
>
> almost, highstart_pfn is used in a few printks
> 
> arch/i386/mm/discontig.c: In function 'setup_memory':
> arch/i386/mm/discontig.c:314: error: 'highstart_pfn' undeclared (first
> use in this function)
> arch/i386/mm/discontig.c:314: error: (Each undeclared identifier is
> reported only once
> arch/i386/mm/discontig.c:314: error: for each function it appears in.)

Gaah. highstart_pfn is declared in <asm/highmem.h>, but that one is 
protected by a

	#ifdef CONFIG_HIGHMEM
	#include <asm/highmem.h>

in <linux/highmem.h>, so even though we include highmem.h, we never see 
the declaration.

Your config is insane, but anyway, does it compile if you just add back 
the extra "unnecessary" declaration of highstart_pfn?

		Linus
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