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Subject: Re: 2.6.28-rc9 panics with crashkernel=256M while booting
From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Chandru <chandru@in.ibm.com>
In-Reply-To: <200901071828.13719.chandru@in.ibm.com>
References: <200812241325.49404.chandru@in.ibm.com>
	<200901051919.52327.chandru@in.ibm.com>
	<1231173033.19452.190.camel@nimitz>
	<200901071828.13719.chandru@in.ibm.com>
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Date: Wed, 07 Jan 2009 09:25:25 -0800
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Cc: linuxppc-dev@ozlabs.org, Andrew Morton <akpm@linux-foundation.org>,
	Paul Mackerras <paulus@samba.org>, linux-kernel@vger.kernel.org
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On Wed, 2009-01-07 at 18:28 +0530, Chandru wrote:
> I don't know how you wanted NODE_DATA() to be consulted here. i.e before 
> calling reserve_bootmem_node() should we have a condition 
> 
>         if (PFN_UP(physbase+reserve_size) > node_end_pfn) 
>         then
>                 resize reserve_size again so that PFN_UP() will equate to node_end_pfn ??
>         end 

I'm just suggesting making your fix in the ppc code instead of in
mm/bootmem.c.

-- Dave