return false;
}
-static struct cgroup_subsys_state *hugetlb_cgroup_css_alloc(struct cgroup *cgroup)
+static struct cgroup_subsys_state *
+hugetlb_cgroup_css_alloc(struct cgroup_subsys_state *parent_css)
{
+ struct hugetlb_cgroup *parent_h_cgroup = hugetlb_cgroup_from_css(parent_css);
+ struct hugetlb_cgroup *h_cgroup;
int idx;
- struct cgroup *parent_cgroup;
- struct hugetlb_cgroup *h_cgroup, *parent_h_cgroup;
h_cgroup = kzalloc(sizeof(*h_cgroup), GFP_KERNEL);
if (!h_cgroup)
return ERR_PTR(-ENOMEM);
- parent_cgroup = cgroup->parent;
- if (parent_cgroup) {
- parent_h_cgroup = hugetlb_cgroup_from_cgroup(parent_cgroup);
+ if (parent_h_cgroup) {
for (idx = 0; idx < HUGE_MAX_HSTATE; idx++)
res_counter_init(&h_cgroup->hugepage[idx],
&parent_h_cgroup->hugepage[idx]);
return &h_cgroup->css;
}
-static void hugetlb_cgroup_css_free(struct cgroup *cgroup)
+static void hugetlb_cgroup_css_free(struct cgroup_subsys_state *css)
{
struct hugetlb_cgroup *h_cgroup;
- h_cgroup = hugetlb_cgroup_from_cgroup(cgroup);
+ h_cgroup = hugetlb_cgroup_from_css(css);
kfree(h_cgroup);
}
* Force the hugetlb cgroup to empty the hugetlb resources by moving them to
* the parent cgroup.
*/
-static void hugetlb_cgroup_css_offline(struct cgroup *cgroup)
+static void hugetlb_cgroup_css_offline(struct cgroup_subsys_state *css)
{
- struct hugetlb_cgroup *h_cg = hugetlb_cgroup_from_cgroup(cgroup);
+ struct hugetlb_cgroup *h_cg = hugetlb_cgroup_from_css(css);
struct hstate *h;
struct page *page;
int idx = 0;