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-rw-r--r--include/linux/sched.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ad7a89014d29..8ebddba4448d 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -886,6 +886,13 @@ struct task_struct {
int hardirq_context;
int softirq_context;
#endif
+#ifdef CONFIG_LOCKDEP
+# define MAX_LOCK_DEPTH 30UL
+ u64 curr_chain_key;
+ int lockdep_depth;
+ struct held_lock held_locks[MAX_LOCK_DEPTH];
+ unsigned int lockdep_recursion;
+#endif
/* journalling filesystem info */
void *journal_info;