diff --git a/debian/changelog b/debian/changelog
index 725b19884..6f6035283 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,8 @@ linux (4.10~rc6-1~exp2) UNRELEASED; urgency=medium
 
   * [s390x] Un-revert upstream change moving exports to assembly sources
     (fixes FTBFS)
+  * [sparc64] topology_64.h: Fix condition for including cpudata.h
+    (might fix FTBFS)
 
  -- Ben Hutchings <ben@decadent.org.uk>  Wed, 01 Feb 2017 22:13:06 +0000
 
diff --git a/debian/patches/bugfix/sparc/sparc-topology_64.h-fix-condition-for-including-cpudata.h.patch b/debian/patches/bugfix/sparc/sparc-topology_64.h-fix-condition-for-including-cpudata.h.patch
new file mode 100644
index 000000000..040f1ed80
--- /dev/null
+++ b/debian/patches/bugfix/sparc/sparc-topology_64.h-fix-condition-for-including-cpudata.h.patch
@@ -0,0 +1,30 @@
+From: Ben Hutchings <ben@decadent.org.uk>
+Date: Wed, 01 Feb 2017 22:45:06 +0000
+Subject: sparc: topology_64.h: Fix condition for including cpudata.h
+
+We currently define macros referring to cpu_data if CONFIG_SMP is
+defined, but only include the declaration if CONFIG_NUMA is defined.
+
+Fixes: 541cc39433a8 ("sparc: fix a building error reported by kbuild")
+Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
+---
+--- a/arch/sparc/include/asm/topology_64.h
++++ b/arch/sparc/include/asm/topology_64.h
+@@ -4,7 +4,6 @@
+ #ifdef CONFIG_NUMA
+ 
+ #include <asm/mmzone.h>
+-#include <asm/cpudata.h>
+ 
+ static inline int cpu_to_node(int cpu)
+ {
+@@ -42,6 +41,9 @@ int __node_distance(int, int);
+ #endif /* !(CONFIG_NUMA) */
+ 
+ #ifdef CONFIG_SMP
++
++#include <asm/cpudata.h>
++
+ #define topology_physical_package_id(cpu)	(cpu_data(cpu).proc_id)
+ #define topology_core_id(cpu)			(cpu_data(cpu).core_id)
+ #define topology_core_cpumask(cpu)		(&cpu_core_sib_map[cpu])
diff --git a/debian/patches/series b/debian/patches/series
index 715f5fe6a..35648a126 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -47,6 +47,7 @@ debian/fanotify-taint-on-use-of-fanotify_access_permissions.patch
 
 # Arch bug fixes
 bugfix/x86/asoc-intel-select-dw_dmac_core-since-it-s-mandatory.patch
+bugfix/sparc/sparc-topology_64.h-fix-condition-for-including-cpudata.h.patch
 
 # Arch features
 features/mips/MIPS-increase-MAX-PHYSMEM-BITS-on-Loongson-3-only.patch