linux-kernel - Re: [PATCH] [PowerPC] Support For Initrd Loaded Into Highmem

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Message-Id: <20090517133417.9E0FC832E416@gemini.denx.de>
Date:	Sun, 17 May 2009 15:34:17 +0200
From:	Wolfgang Denk <wd@...x.de>
To:	Konstantin Baydarov <kbaidarov@...mvista.com>
cc:	Kumar Gala <galak@...nel.crashing.org>, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [PowerPC] Support For Initrd Loaded Into Highmem

Dear Konstantin Baydarov,

In message <4A103EDF.7050108@...mvista.com> you wrote:
> 
>   It turned out that:
> PPC uBoot always loads initrd image at the highest RAM address. So if board has

Please read the documentation, for example the U-Boot  README  -  pay
speicial  attention  to  the section that discusses the "initrd_high"
envrionment variable.

>   How Solved:
> Code was added that checks if initrd is in the highmem and relocates initrd
> into lowmem if required.

I don't think this is needed. Just don't load the ramdisk to highmem
in the first place.

Best regards,

Wolfgang Denk

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