+ page_counter_uncharge(__hugetlb_cgroup_counter_from_cgroup(h_cg, idx,
+ rsvd),
+ nr_pages);
+
+ if (rsvd)
+ css_put(&h_cg->css);
+}
+
+void hugetlb_cgroup_uncharge_cgroup(int idx, unsigned long nr_pages,
+ struct hugetlb_cgroup *h_cg)
+{
+ __hugetlb_cgroup_uncharge_cgroup(idx, nr_pages, h_cg, false);
+}
+
+void hugetlb_cgroup_uncharge_cgroup_rsvd(int idx, unsigned long nr_pages,
+ struct hugetlb_cgroup *h_cg)
+{
+ __hugetlb_cgroup_uncharge_cgroup(idx, nr_pages, h_cg, true);
+}
+
+void hugetlb_cgroup_uncharge_counter(struct resv_map *resv, unsigned long start,
+ unsigned long end)
+{
+ if (hugetlb_cgroup_disabled() || !resv || !resv->reservation_counter ||
+ !resv->css)
+ return;
+
+ page_counter_uncharge(resv->reservation_counter,
+ (end - start) * resv->pages_per_hpage);
+ css_put(resv->css);
+}
+
+void hugetlb_cgroup_uncharge_file_region(struct resv_map *resv,
+ struct file_region *rg,
+ unsigned long nr_pages)
+{
+ if (hugetlb_cgroup_disabled() || !resv || !rg || !nr_pages)
+ return;
+
+ if (rg->reservation_counter && resv->pages_per_hpage && nr_pages > 0 &&
+ !resv->reservation_counter) {
+ page_counter_uncharge(rg->reservation_counter,
+ nr_pages * resv->pages_per_hpage);
+ css_put(rg->css);
+ }