kernel: Fix execve filename access on ARM64

kernel/util.h

@@ -0,0 +1,24 @@
+#ifndef __KSU_UTIL_H
+#define __KSU_UTIL_H
+
+#include <linux/types.h>
+
+#ifndef preempt_enable_no_resched_notrace
+#define preempt_enable_no_resched_notrace() \
+do { \
+	barrier(); \
+	__preempt_count_dec(); \
+} while (0)
+#endif
+
+#ifndef preempt_disable_notrace
+#define preempt_disable_notrace() \
+do { \
+	__preempt_count_inc(); \
+	barrier(); \
+} while (0)
+#endif
+
+bool try_set_access_flag(unsigned long addr);
+
+#endif