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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-05-02 08:45:25 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-05-02 09:21:59 -0700 |
| commit | 4b27f20b40a23f03df682eb1f69e9dc3da7d3b93 (patch) | |
| tree | 13dd72ff209b6ea79f84da0bcfa8642ac4181222 /kernel/rcu/tree_plugin.h | |
| parent | 8ef0f37efb7863a04b1e4102d42b7c0b1a59d40f (diff) | |
| download | op-kernel-dev-4b27f20b40a23f03df682eb1f69e9dc3da7d3b93.zip op-kernel-dev-4b27f20b40a23f03df682eb1f69e9dc3da7d3b93.tar.gz | |
rcu: Open-code the rcu_cblist_n_cbs() function
Because the rcu_cblist_n_cbs() just samples the ->len counter, and
because the rcu_cblist structure is quite straightforward, it makes
sense to open-code rcu_cblist_n_cbs(p) as p->len, cutting out a level
of indirection. This commit makes this change.
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/rcu/tree_plugin.h')
| -rw-r--r-- | kernel/rcu/tree_plugin.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index 6b4b1f8..7ebe357 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -1934,7 +1934,7 @@ static bool __maybe_unused rcu_nocb_adopt_orphan_cbs(struct rcu_state *rsp, struct rcu_data *rdp, unsigned long flags) { - long ql = rcu_cblist_n_cbs(&rsp->orphan_done); + long ql = rsp->orphan_done.len; long qll = rcu_cblist_n_lazy_cbs(&rsp->orphan_done); /* If this is not a no-CBs CPU, tell the caller to do it the old way. */ |
