linux-kernel - Re: early exception error

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Message-ID: <20090105212511.GA7468@localhost>
Date:	Tue, 6 Jan 2009 00:25:11 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	david@...g.hm
Cc:	Jiri Slaby <jirislaby@...il.com>, Andi Kleen <andi@...stfloor.org>,
	LKML <linux-kernel@...r.kernel.org>, yhlu.kernel@...il.com
Subject: Re: early exception error

[david@...g.hm - Mon, Jan 05, 2009 at 02:20:42PM -0800]
> On Sun, 4 Jan 2009, Cyrill Gorcunov wrote:
>
> I assume you want this instead of the prior patches. I will test this  
> shortly.
>
> David Lang
>
>> ---
>> include/linux/mmzone.h |    1 +
>> 1 file changed, 1 insertion(+)
>>
>> Index: linux-2.6.git/include/linux/mmzone.h
>> ===================================================================
>> --- linux-2.6.git.orig/include/linux/mmzone.h
>> +++ linux-2.6.git/include/linux/mmzone.h
>> @@ -980,6 +980,7 @@ extern struct mem_section mem_section[NR
>>
>> static inline struct mem_section *__nr_to_section(unsigned long nr)
>> {
>> +	BUG_ON(SECTION_NR_TO_ROOT(nr) >= NR_SECTION_ROOTS);
>> 	if (!mem_section[SECTION_NR_TO_ROOT(nr)])
>> 		return NULL;
>> 	return &mem_section[SECTION_NR_TO_ROOT(nr)][nr & SECTION_ROOT_MASK];
>>
>

Yes, you even may combine it with the patch Johannes proposed.
They should not interfere.

		- Cyrill -
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