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authorWaiman Long <longman@redhat.com>2020-02-06 18:24:07 +0300
committerIngo Molnar <mingo@kernel.org>2020-02-11 15:10:51 +0300
commit797b82eb906eeba24dcd6e9ab92faef01fc684cb (patch)
treeb27a8f62357cc70217b633ec3fde24d4f492ddf2 /kernel/locking/lockdep_internals.h
parent836bd74b5957779171c9648e9e29145fc089fffe (diff)
downloadlinux-797b82eb906eeba24dcd6e9ab92faef01fc684cb.tar.xz
locking/lockdep: Track number of zapped lock chains
Add a new counter nr_zapped_lock_chains to track the number lock chains that have been removed. Signed-off-by: Waiman Long <longman@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lkml.kernel.org/r/20200206152408.24165-6-longman@redhat.com
Diffstat (limited to 'kernel/locking/lockdep_internals.h')
-rw-r--r--kernel/locking/lockdep_internals.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/locking/lockdep_internals.h b/kernel/locking/lockdep_internals.h
index 926bfa4b4564..af722ceeda33 100644
--- a/kernel/locking/lockdep_internals.h
+++ b/kernel/locking/lockdep_internals.h
@@ -131,6 +131,7 @@ struct lock_class *lock_chain_get_class(struct lock_chain *chain, int i);
extern unsigned long nr_lock_classes;
extern unsigned long nr_zapped_classes;
+extern unsigned long nr_zapped_lock_chains;
extern unsigned long nr_list_entries;
long lockdep_next_lockchain(long i);
unsigned long lock_chain_count(void);