Commit 4a6780a3 authored by Haorui He's avatar Haorui He Committed by Tejun Heo
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cgroup: update comment about dropping cgroup kn refs 



the cgroup is actually freed in css_free_rwork_fn() now
the ref count of the cgroup's kernfs_node is also dropped there
so we need to update the corresponding comment in cgroup_mkdir()

Signed-off-by: default avatarHaorui He <mail@hehaorui.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent b9d8a295

kernel/cgroup/cgroup.c

+1 −1
Original line number Diff line number Diff line
@@ -5835,7 +5835,7 @@ int cgroup_mkdir(struct kernfs_node *parent_kn, const char *name, umode_t mode) 
	}



	/*

	 * This extra ref will be put in cgroup_free_fn() and guarantees

	 * This extra ref will be put in css_free_rwork_fn() and guarantees

	 * that @cgrp->kn is always accessible.

	 */

	kernfs_get(cgrp->kn);