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-rw-r--r--arch/powerpc/lib/locks.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c
index 4b8c5ad5e7d..3794715b297 100644
--- a/arch/powerpc/lib/locks.c
+++ b/arch/powerpc/lib/locks.c
@@ -17,6 +17,7 @@
#include <linux/spinlock.h>
#include <linux/module.h>
#include <linux/stringify.h>
+#include <linux/smp.h>
/* waiting for a spinlock... */
#if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES)