Messages in this thread | | | Date | Wed, 1 Sep 2010 23:33:37 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH] [arch-x86] Allow SRAT integrity check to be skipped |
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On Wed, Sep 01, 2010 at 02:33:18PM -0700, Peter P Waskiewicz Jr wrote: > On certain BIOSes, SRAT enumeration isn't exported correctly. > This leads to NUMA node enumeration failure, and causes the kernel > to fall back onto a single node treated as flat memory. This > can happen on large, multi-socket systems (4 or more sockets), and > becomes problematic for performance. > > This patch adds a boot parameter to allow a kernel to be booted > with the option to skip the SRAT check. There are BIOSes in > production that have these failures, so this will allow people > in the field to work around these BIOS issues.
Looks good.
Reviewed-by: Andi Kleen <ak@linux.intel.com>
-Andi
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