Messages in this thread Patch in this message | | | From | paulmck@kernel ... | Subject | [PATCH tip/core/rcu 15/26] rcu: Remove initialized but unused rnp from check_slow_task() | Date | Mon, 22 Jun 2020 17:21:36 -0700 |
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From: "Paul E. McKenney" <paulmck@kernel.org>
This commit removes the variable rnp from check_slow_task(), which is defined, assigned to, but not otherwise used.
Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> --- kernel/rcu/tree_stall.h | 2 -- 1 file changed, 2 deletions(-)
diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h index 2768ce6..d203f82 100644 --- a/kernel/rcu/tree_stall.h +++ b/kernel/rcu/tree_stall.h @@ -237,14 +237,12 @@ struct rcu_stall_chk_rdr { */ static bool check_slow_task(struct task_struct *t, void *arg) { - struct rcu_node *rnp; struct rcu_stall_chk_rdr *rscrp = arg; if (task_curr(t)) return false; // It is running, so decline to inspect it. rscrp->nesting = t->rcu_read_lock_nesting; rscrp->rs = t->rcu_read_unlock_special; - rnp = t->rcu_blocked_node; rscrp->on_blkd_list = !list_empty(&t->rcu_node_entry); return true; } -- 2.9.5
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