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authorNeeraj Upadhyay <neeraju@codeaurora.org>2019-03-29 15:25:52 +0530
committerPaul E. McKenney <paulmck@linux.ibm.com>2019-05-28 09:02:57 -0700
commitcd6d17b4a4646d4bf2568f3a4de13a5a13e2ed28 (patch)
tree4208682b1c81111d5e16ee62b3b1b3de04863ad6 /kernel
parenta188339ca5a396acc588e5851ed7e19f66b0ebd9 (diff)
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rcu: Dump specified number of blocked tasks
The dump_blkd_tasks() function dumps at most 10 blocked tasks, ignoring the value of the ncheck parameter. This commit therefore substitutes the value of ncheck for the hard-coded value of 10. Because all callers currently pass 10 as the number, this patch does not change behavior, but it is clearly an accident waiting to happen. Signed-off-by: Neeraj Upadhyay <neeraju@codeaurora.org> Reviewed-by: Mukesh Ojha <mojha@codeaurora.org> Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/rcu/tree_plugin.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 1102765f91fd..3a9891a74ead 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -760,7 +760,7 @@ dump_blkd_tasks(struct rcu_node *rnp, int ncheck)
i = 0;
list_for_each(lhp, &rnp->blkd_tasks) {
pr_cont(" %p", lhp);
- if (++i >= 10)
+ if (++i >= ncheck)
break;
}
pr_cont("\n");