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-rw-r--r--kernel/cgroup/cgroup-internal.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/cgroup/cgroup-internal.h b/kernel/cgroup/cgroup-internal.h
index 30e39f3932ad..809e34a3c017 100644
--- a/kernel/cgroup/cgroup-internal.h
+++ b/kernel/cgroup/cgroup-internal.h
@@ -28,12 +28,15 @@ extern void __init enable_debug_cgroup(void);
#define TRACE_CGROUP_PATH(type, cgrp, ...) \
do { \
if (trace_cgroup_##type##_enabled()) { \
- spin_lock(&trace_cgroup_path_lock); \
+ unsigned long flags; \
+ spin_lock_irqsave(&trace_cgroup_path_lock, \
+ flags); \
cgroup_path(cgrp, trace_cgroup_path, \
TRACE_CGROUP_PATH_LEN); \
trace_cgroup_##type(cgrp, trace_cgroup_path, \
##__VA_ARGS__); \
- spin_unlock(&trace_cgroup_path_lock); \
+ spin_unlock_irqrestore(&trace_cgroup_path_lock, \
+ flags); \
} \
} while (0)
@@ -240,6 +243,7 @@ int cgroup_rmdir(struct kernfs_node *kn);
int cgroup_show_path(struct seq_file *sf, struct kernfs_node *kf_node,
struct kernfs_root *kf_root);
+int __cgroup_task_count(const struct cgroup *cgrp);
int cgroup_task_count(const struct cgroup *cgrp);
/*