Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull core locking updates from Thomas Gleixner:
 "Header cleanup as requested by Linus"

(This is the "don't include support for ww_mutex in a header file that
everybody wants, when almost nobody wants the ww part" change)

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  mutex: Move ww_mutex definitions to ww_mutex.h

include/linux/reservation.h

@@ -39,7 +39,7 @@
 #ifndef _LINUX_RESERVATION_H
 #define _LINUX_RESERVATION_H
 
-#include <linux/mutex.h>
+#include <linux/ww_mutex.h>
 
 extern struct ww_class reservation_ww_class;
 

kernel/mutex.c

@@ -18,6 +18,7 @@
  * Also see Documentation/mutex-design.txt.
  */
 #include <linux/mutex.h>
+#include <linux/ww_mutex.h>
 #include <linux/sched.h>
 #include <linux/sched/rt.h>
 #include <linux/export.h>

lib/locking-selftest.c

@@ -12,6 +12,7 @@
  */
 #include <linux/rwsem.h>
 #include <linux/mutex.h>
+#include <linux/ww_mutex.h>
 #include <linux/sched.h>
 #include <linux/delay.h>
 #include <linux/lockdep.h>