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cfq-iosched: tweak kick logic a bit more
[linux-block.git]
/
kernel
/
cgroup.c
diff --git
a/kernel/cgroup.c
b/kernel/cgroup.c
index f2a3f5c9936c909a0b021425eec64a043a46b99f..382109b5baebc2a79d31f041ceb51babd1474c95 100644
(file)
--- a/
kernel/cgroup.c
+++ b/
kernel/cgroup.c
@@
-3405,7
+3405,7
@@
unsigned short css_depth(struct cgroup_subsys_state *css)
}
bool css_is_ancestor(struct cgroup_subsys_state *child,
- struct cgroup_subsys_state *root)
+
const
struct cgroup_subsys_state *root)
{
struct css_id *child_id = rcu_dereference(child->id);
struct css_id *root_id = rcu_dereference(root->id);