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rcu: Remove deprecated RCU debugfs tracing code

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Commit ae91aa0adb ("rcu: Remove debugfs tracing") removed the
RCU debugfs tracing code, but did not remove the no-longer used
->exp_workdone{0,1,2,3} fields in the srcu_data structure.  This commit
therefore removes these fields along with the code that uselessly
updates them.

Signed-off-by: Byungchul Park <byungchul.park@lge.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Tested-by: Nicholas Piggin <npiggin@gmail.com>
This commit is contained in:
Byungchul Park
2018-03-02 16:39:12 +09:00
committed by Paul E. McKenney
parent efcd2d5436
commit 6fba2b3767
2 changed files with 5 additions and 12 deletions
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kernel/rcu/tree.h
-4
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@@ -224,10 +224,6 @@ struct rcu_data {
#ifdef CONFIG_RCU_FAST_NO_HZ
struct rcu_head oom_head;
#endif /* #ifdef CONFIG_RCU_FAST_NO_HZ */
atomic_long_t exp_workdone0; /* # done by workqueue. */
atomic_long_t exp_workdone1; /* # done by others #1. */
atomic_long_t exp_workdone2; /* # done by others #2. */
atomic_long_t exp_workdone3; /* # done by others #3. */
int exp_dynticks_snap; /* Double-check need for IPI. */
/* 6) Callback offloading. */