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-rw-r--r--include/linux/radix-tree.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index c2a9f7c90727..5c85059a92ba 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -11,6 +11,7 @@
#include <linux/bitops.h>
#include <linux/kernel.h>
#include <linux/list.h>
+#include <linux/percpu.h>
#include <linux/preempt.h>
#include <linux/rcupdate.h>
#include <linux/spinlock.h>