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Date: Fri, 3 Apr 2009 14:43:47 -0700
Message-ID: <86802c440904031443g313d0c71i1751c7c5b4b9caf9@mail.gmail.com>
Subject: Re: Off topic: Numactl "distance" wrong
From: Yinghai Lu <yhlu.kernel@gmail.com>
To: Cliff Wickman <cpw@sgi.com>
Cc: Brice Goglin <Brice.Goglin@inria.fr>, Chris Worley <worleys@gmail.com>,
       linux-kernel@vger.kernel.org
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http://tracker.coreboot.org/trac/coreboot/browser/trunk/coreboot-v2/src/northbridge/amd/amdk8/amdk8_acpi.c
acpi_fill_slit()
could tell you how to generate slit according to hops on AMD opteron system.

then you could use /sys interface ( later ) to update acpi_slit in the kernel.
later __node_distance could get correct distance.

YH
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