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-rw-r--r--tools/testing/radix-tree/linux/preempt.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/testing/radix-tree/linux/preempt.h b/tools/testing/radix-tree/linux/preempt.h
index 6210672e3baa..65c04c226965 100644
--- a/tools/testing/radix-tree/linux/preempt.h
+++ b/tools/testing/radix-tree/linux/preempt.h
@@ -1,4 +1,4 @@
-/* */
+extern int preempt_count;
-#define preempt_disable() do { } while (0)
-#define preempt_enable() do { } while (0)
+#define preempt_disable() uatomic_inc(&preempt_count)
+#define preempt_enable() uatomic_dec(&preempt_count)