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rcu: Dump specified number of blocked tasks

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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>
This commit is contained in:
Neeraj Upadhyay 2019-03-29 15:25:52 +05:30 committed by Paul E. McKenney
parent a188339ca5
commit cd6d17b4a4
1 changed files with 1 additions and 1 deletions
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kernel/rcu/tree_plugin.h
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@ -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");