diff -purN -X /home/mbligh/.diff.exclude 278-pfn_valid/arch/i386/Kconfig 279-no_numa_pc/arch/i386/Kconfig
--- 278-pfn_valid/arch/i386/Kconfig	2004-02-28 11:18:23.000000000 -0800
+++ 279-no_numa_pc/arch/i386/Kconfig	2004-02-28 11:19:06.000000000 -0800
@@ -797,7 +797,7 @@ config X86_PAE
 # Common NUMA Features
 config NUMA
 	bool "Numa Memory Allocation Support"
-	depends on SMP && HIGHMEM64G && (X86_PC || X86_NUMAQ || X86_GENERICARCH || (X86_SUMMIT && ACPI))
+	depends on SMP && HIGHMEM64G && (X86_NUMAQ || X86_GENERICARCH || (X86_SUMMIT && ACPI && !ACPI_HT_ONLY))
 	default n if X86_PC
 	default y if (X86_NUMAQ || X86_SUMMIT)