find_min_common_depth was checking the property length incorrectly.
The value is in bytes not cells, and it is using the second entry.
Signed-off-By: Milton Miller <milt...@bga.com>
---
I'm not aware of any trees that are broken in this way, so backport
not likely needed but easy to apply.
Index: work.git/arch/powerpc/mm/numa.c
===================================================================
--- work.git.orig/arch/powerpc/mm/numa.c 2009-01-05 05:08:10.000000000
-0600
+++ work.git/arch/powerpc/mm/numa.c 2009-01-05 05:10:25.000000000 -0600
@@ -260,7 +260,7 @@ static int __init find_min_common_depth(
ref_points = of_get_property(rtas_root,
"ibm,associativity-reference-points", &len);
- if ((len >= 1) && ref_points) {
+ if ((len >= 2 * sizeof(unsigned int)) && ref_points) {
depth = ref_points[1];
} else {
dbg("NUMA: ibm,associativity-reference-points not found.\n");
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