linux-kernel - Re: [PATCH v2][POWERPC] Fix initial lmb add region with a non-zero base

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Message-Id: <4130F47E-4F4A-4911-B63B-403A8C423565@kernel.crashing.org>
Date:	Tue, 19 Feb 2008 21:02:04 -0600
From:	Kumar Gala <galak@...nel.crashing.org>
To:	David Miller <davem@...emloft.net>
Cc:	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org,
	sparclinux@...r.kernel.org
Subject: Re: [PATCH v2][POWERPC] Fix initial lmb add region with a non-zero base


On Feb 19, 2008, at 6:30 PM, David Miller wrote:

> From: Kumar Gala <galak@...nel.crashing.org>
> Date: Tue, 19 Feb 2008 13:51:37 -0600 (CST)
>
>> If we add to an empty lmb region with a non-zero base we will not  
>> coalesce
>> the number of regions down to one.  This causes problems on ppc32  
>> for the
>> memory region as its assumed to only have one region.
>>
>> We can fix this easily by causing the initial add to replace the  
>> dummy
>> region.
>>
>> Signed-off-by: Kumar Gala <galak@...nel.crashing.org>
>> ---
>>
>> Fix a bug the initial patch introduced if we have a region that  
>> gets added
>> at the beginning of the list we wouldn't actually add it.
>>
>> Dave can you replace the patch in you tree with this one.
>
> I think my tree has already or will soon be pulled in so
> I don't want to rebase it.
>
> Why don't you simply send me the relative bug fix instead?

np.  Are we trying to get this into 2.6.25 or .26?

- k
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