[PATCH] ia32 NUMA: physnode_map entries can be negative
Based on work from Bill Irwin <wli@holomorphy.com> physnode_map[] needs to be signed so that pfn_to_nid() can return negative values used to detect invalid pfn's. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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