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cgroup,rcu: convert call_rcu(free_cgroup_rcu) to kfree_rcu()
The rcu callback free_cgroup_rcu() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(free_cgroup_rcu). Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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30088ad815
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f2da1c40dc
1 changed files with 1 additions and 8 deletions
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@ -806,13 +806,6 @@ static int cgroup_call_pre_destroy(struct cgroup *cgrp)
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return ret;
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}
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static void free_cgroup_rcu(struct rcu_head *obj)
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{
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struct cgroup *cgrp = container_of(obj, struct cgroup, rcu_head);
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kfree(cgrp);
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}
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static void cgroup_diput(struct dentry *dentry, struct inode *inode)
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{
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/* is dentry a directory ? if so, kfree() associated cgroup */
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@ -850,7 +843,7 @@ static void cgroup_diput(struct dentry *dentry, struct inode *inode)
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*/
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BUG_ON(!list_empty(&cgrp->pidlists));
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call_rcu(&cgrp->rcu_head, free_cgroup_rcu);
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kfree_rcu(cgrp, rcu_head);
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}
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iput(inode);
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}
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