[PATCH 0/2] panics booting NUMA SPARSEMEM on x86_32 NUMA
From: Andy Whitcroft
Date: Tue May 20 2008 - 06:03:32 EST
We have been seeing panics booting NUMA SPARSEMEM kernels on x86_32
hardware, while trying to allocate node local memory in early boot.
These are caused by a miss-allocation of the node pgdat structures when
numa remap is disabled.
Following this email are two patches, the first reenables numa remap for
SPARSEMEM as the underlying bug has now been fixed. The second hardens
the pgdat allocation in the face of there being no numa remap for a
particular node (which may still occur).
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