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-rw-r--r--include/linux/cgroup.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index a9dcf0e..4602073 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -13,7 +13,6 @@
#include <linux/nodemask.h>
#include <linux/rculist.h>
#include <linux/cgroupstats.h>
-#include <linux/rwsem.h>
#include <linux/fs.h>
#include <linux/seq_file.h>
#include <linux/kernfs.h>
@@ -367,11 +366,11 @@ static inline void css_put_many(struct cgroup_subsys_state *css, unsigned int n)
*/
#ifdef CONFIG_PROVE_RCU
extern struct mutex cgroup_mutex;
-extern struct rw_semaphore css_set_rwsem;
+extern spinlock_t css_set_lock;
#define task_css_set_check(task, __c) \
rcu_dereference_check((task)->cgroups, \
lockdep_is_held(&cgroup_mutex) || \
- lockdep_is_held(&css_set_rwsem) || \
+ lockdep_is_held(&css_set_lock) || \
((task)->flags & PF_EXITING) || (__c))
#else
#define task_css_set_check(task, __c) \
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