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-rw-r--r--tools/testing/radix-tree/test.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/test.h b/tools/testing/radix-tree/test.h
index 217fb2403f09..5d2fad05b263 100644
--- a/tools/testing/radix-tree/test.h
+++ b/tools/testing/radix-tree/test.h
@@ -44,3 +44,4 @@ void radix_tree_dump(struct radix_tree_root *root);
int root_tag_get(struct radix_tree_root *root, unsigned int tag);
unsigned long node_maxindex(struct radix_tree_node *);
unsigned long shift_maxindex(unsigned int shift);
+int radix_tree_cpu_dead(unsigned int cpu);