diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 6996a593dcb39b91422fa205f2af8057c2109165..b1c89bc4bf90bc5c32dca68dc52b0c1d08399b08 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -69,6 +69,7 @@
 #include <asm/iseries/it_lp_queue.h>
 #include <asm/iseries/hv_call_xm.h>
 #endif
+#include <asm/smp.h>
 
 /* keep track of when we need to update the rtc */
 time_t last_rtc_update;
diff --git a/arch/ppc64/kernel/sysfs.c b/arch/ppc64/kernel/sysfs.c
index 6654b350979cfd3a868c029677fff0239d9972ed..e99ec62c2c52abba20b1e4f36da62e70f4d925bc 100644
--- a/arch/ppc64/kernel/sysfs.c
+++ b/arch/ppc64/kernel/sysfs.c
@@ -20,6 +20,7 @@
 #include <asm/paca.h>
 #include <asm/lppaca.h>
 #include <asm/machdep.h>
+#include <asm/smp.h>
 
 static DEFINE_PER_CPU(struct cpu, cpu_devices);