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rcu: Fix FIXME in rcu_tasks_kthread()

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This commit affines rcu_tasks_kthread() to the housekeeping CPUs
in CONFIG_NO_HZ_FULL builds.  This is just a default, so systems
administrators are free to put this kthread somewhere else if they wish.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2014-10-27 16:04:35 -07:00
parent ce36f2f3eb
commit 60ced4950c
1 changed files with 2 additions and 1 deletions
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3
kernel/rcu/update.c
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@ -531,7 +531,8 @@ static int __noreturn rcu_tasks_kthread(void *arg)
struct rcu_head *next;
LIST_HEAD(rcu_tasks_holdouts);
/* FIXME: Add housekeeping affinity. */
/* Run on housekeeping CPUs by default. Sysadm can move if desired. */
housekeeping_affine(current);
/*
* Each pass through the following loop makes one check for