1 files changed, 9 insertions, 0 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7f30b754bfc3..87a693cf2bb7 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -906,6 +906,15 @@ config X86_64_ACPI_NUMA
         help
           Enable ACPI SRAT based node topology detection.
 
+# Some NUMA nodes have memory ranges that span
+# other nodes.  Even though a pfn is valid and
+# between a node's start and end pfns, it may not
+# reside on that node.  See memmap_init_zone()
+# for details.
+config NODES_SPAN_OTHER_NODES
+        def_bool y
+        depends on X86_64_ACPI_NUMA
+
 config NUMA_EMU
         bool "NUMA emulation"
         depends on X86_64 && NUMA