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-rw-r--r--arch/ppc64/lib/locks.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/ppc64/lib/locks.c b/arch/ppc64/lib/locks.c
index 033643ab69e0..d622c1d58e4e 100644
--- a/arch/ppc64/lib/locks.c
+++ b/arch/ppc64/lib/locks.c
@@ -17,6 +17,8 @@
#include <linux/spinlock.h>
#include <linux/module.h>
#include <linux/stringify.h>
+#include <linux/smp.h>
+
#include <asm/hvcall.h>
#include <asm/iSeries/HvCall.h>