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authorDavidlohr Bueso <dave@stgolabs.net>2017-09-09 02:15:01 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-09 04:26:49 +0300
commita23ba907d5e65d6aeea3e59c82fda9cd206a7aad (patch)
treea0bd42b27596cf758517fa004d1d8681a7eef932 /include/linux/init_task.h
parent2161573ecd6931565936cb66793b2d2bf805c088 (diff)
downloadlinux-a23ba907d5e65d6aeea3e59c82fda9cd206a7aad.tar.xz
locking/rtmutex: replace top-waiter and pi_waiters leftmost caching
... with the generic rbtree flavor instead. No changes in semantics whatsoever. Link: http://lkml.kernel.org/r/20170719014603.19029-10-dave@stgolabs.net Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/init_task.h')
-rw-r--r--include/linux/init_task.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 0e849715e5be..3c07ace5b431 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -175,9 +175,8 @@ extern struct cred init_cred;
#ifdef CONFIG_RT_MUTEXES
# define INIT_RT_MUTEXES(tsk) \
- .pi_waiters = RB_ROOT, \
- .pi_top_task = NULL, \
- .pi_waiters_leftmost = NULL,
+ .pi_waiters = RB_ROOT_CACHED, \
+ .pi_top_task = NULL,
#else
# define INIT_RT_MUTEXES(tsk)
#endif