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Date: Tue, 13 May 2008 15:22:31 -0700 (PDT)
Message-Id: <20080513.152231.109481008.davem@davemloft.net>
To: mikpe@it.uu.se
Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [BUG] 2.6.26-rc1 lost half the RAM on UltraSPARC 5
From: David Miller <davem@davemloft.net>
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From: Mikael Pettersson <mikpe@it.uu.se>
Date: Tue, 13 May 2008 21:31:19 +0200

> David Miller writes:
>  > Try this patch instead, thanks!
> 
> Ok, reverting previous patch and applying this done results in:
 ...
> lmb_dump_all:
>     memory.cnt		  = 0x4
>     memory.size		  = 0xff40000
>     memory.region[0x0].base       = 0x0
> 		      .size     = 0x8000000
>     memory.region[0x1].base       = 0x10000000
> 		      .size     = 0x7efe000
>     memory.region[0x2].base       = 0x17f00000
> 		      .size     = 0x3a000
>     memory.region[0x3].base       = 0x17f3e000
> 		      .size     = 0x8000
>     reserved.cnt	  = 0x4
>     reserved.size	  = 0x0
>     reserved.region[0x0].base       = 0x7ffc000
> 		      .size     = 0x2000
>     reserved.region[0x1].base       = 0x7fff040
> 		      .size     = 0xfc0
>     reserved.region[0x2].base       = 0x10000000
> 		      .size     = 0x35bf60
>     reserved.region[0x3].base       = 0x107e8e00
> 		      .size     = 0x10b9a751

Yeah, those last two reserved regions are where your 128MB went to,
as I suspected.

Thanks I'll try to figure out where to go from here.