compat: add an empty definition for __rcu

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

diff --git a/include/linux/compat-2.6.36.h b/include/linux/compat-2.6.36.h
index 806993b22ae5389a0475c8ebd4169a06c509d153..7a825228c26a165bdf0b0d0a614f3a58a855ccd8 100644 (file)
--- a/include/linux/compat-2.6.36.h
+++ b/include/linux/compat-2.6.36.h
@@ -120,6 +120,9 @@ static inline void tty_unlock(void) __releases(kernel_lock)
 #define tty_locked()           (kernel_locked())
 
 #define usleep_range(_min, _max)       msleep((_max) / 1000)
+
+#define __rcu
+
 #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)) */
 
 #endif /* LINUX_26_36_COMPAT_H */