Hi Tejun,
On 20.11.2012 15:40, Tejun Heo wrote:
Hello, Daniel.
On Tue, Nov 20, 2012 at 09:57:14AM +0100, Daniel Wagner wrote:
-static void cgrp_css_free(struct cgroup *cgrp)
+static int cgrp_css_online(struct cgroup *cgrp)
{
- struct cgroup_netprio_state *cs = cgrp_netprio_state(cgrp);
+ struct cgroup *parent = cgrp->parent;
struct net_device *dev;
+ int ret = 0;
+
+ if (!parent)
+ return 0;
BTW, parent is always != NULL, because the root cgroup will be
attached to the dummytop cgroup.
Hmmm? I'm confused. When ->css_online() is called for dummytop in
cgroup_init_subsys(), its parent is NULL. What am I missing?
Forget my comment, I was really confused when writing this. I was
looking only at cgroups which were created after bootup.
cheers,
daniel
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