kernel: Syncronize upstream changes (#198)

* Cherry-picked range: (kernel)
ebea31daa8..6915b62b9a

* Also merged unmerged pr:
https://github.com/tiann/KernelSU/pull/ 2909

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: 5ec1cff <56485584+5ec1cff@users.noreply.github.com>
Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
Co-authored-by: u9521 <63995396+u9521@users.noreply.github.com>
Co-authored-by: Wang Han <416810799@qq.com>

kernel/throne_tracker.h

@@ -5,6 +5,6 @@ void ksu_throne_tracker_init(void);
 
 void ksu_throne_tracker_exit(void);
 
-void track_throne(void);
+void track_throne(bool prune_only);
 
 #endif