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From: James Cleverdon <jamesclv@us.ibm.com>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: keith <kmannth@us.ibm.com>, linux-mm <linux-mm@kvack.org>,
	matt dobson <colpatch@us.ibm.com>,
	Mike Kravetz <kravetz@us.ibm.com>,
	"Martin J. Bligh" <mbligh@aracnet.com>,
	Anton Blanchard <anton@samba.org>,
	Yasunori Goto <ygoto@us.fujitsu.com>,
	Andy Whitcroft <apw@shadowen.org>
Subject: Re: [PATCH 5/5] SRAT cleanup: make calculations and indenting level more sane
Date: Thu, 24 Feb 2005 12:49:54 -0800	[thread overview]
Message-ID: <200502241249.54796.jamesclv@us.ibm.com> (raw)
In-Reply-To: <1109274881.7244.87.camel@localhost>

No, I don't think we could rely on that.  Our BIOS did ascending 
addresses, but I don't recall that being spelled out in the ACPI spec.

Of course, there's a new ACPI spec out.  Maybe it makes it a 
requirement.  I'd take a look, but I can't afford the loss of sanity 
caused by gazing on the dread visage of ACPI 3.0.   ;^)


On Thursday 24 February 2005 11:54 am, Dave Hansen wrote:
> On Thu, 2005-02-24 at 11:30 -0800, keith wrote:
> > Why not take it one step further??  Something like the attached
> > patch. There is no reason to loop over the nodes as the srat
> > entries contain node info and we can use the the new
> > node_has_online_mem.
>
> You took away my function :)
>
> Seriously, though, that does look better.  Although, I still wouldn't
> mind seeing it kept broken out in another function like my patch.
>
> > This booted ok on my hot-add enabled 8-way.
> >  I am not %100 sure it is ok to make the assumption that the memory
> > is always reported linearly but that is the assumption of the
> > previous code so it must be for all know examples.
>
> Hey James, didn't we decide at some point that the SRAT could only
> have chunks with ascending addresses?
>
> -- Dave

-- 
James Cleverdon
IBM LTC (xSeries Linux Solutions)
{jamesclv(Unix, preferred), cleverdj(Notes)} at us dot ibm dot comm
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  reply	other threads:[~2005-02-24 20:49 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-02-24 17:29 Dave Hansen
2005-02-24 19:30 ` keith
2005-02-24 19:54   ` Dave Hansen
2005-02-24 20:49     ` James Cleverdon [this message]
2005-02-24 22:02       ` keith
2005-02-24 22:56         ` James Cleverdon
2005-02-25 18:24           ` Dave Hansen
2005-02-28 18:54 Dave Hansen

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