From: Florian Boelstler <euphoria@arcor.de>
To: linuxppc-embedded@ozlabs.org
Subject: Re: Reserving small amounts of memory with mem= (MPC85xx, 2.6.15 arch/ppc)
Date: Mon, 16 Jun 2008 16:26:43 +0200 [thread overview]
Message-ID: <g35t76$u50$1@ger.gmane.org> (raw)
In-Reply-To: <485292C2.6030103@freescale.com>
Scott Wood wrote:
> CAM entries can be any power of 4 between 4K and 256M. However, the
> code currently is hardcoded to use no more than 3 entries.
Ah, this explains a lot, thanks.
> Alternately, do you have highmem enabled? That will let you access the
> rest of the RAM that the CAM doesn't map, though I don't know if an
> initrd in highmem works.
I didn't had highmem enabled so far. Now it is and Linux is able to
allocate rest of memory.
It doesn't work if initrd is placed in highmem though. I just put it at
the end of lowmem.
Cheers,
Florian
prev parent reply other threads:[~2008-06-16 14:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-12 16:18 Reserving small amounts of memory with mem= (MPC85xx, 2.6.15 arch/ppc) Florian Boelstler
2008-06-12 19:14 ` Sylvain Joyeau
2008-06-13 14:30 ` Florian Boelstler
2008-06-13 15:31 ` Scott Wood
2008-06-16 14:26 ` Florian Boelstler [this message]
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