diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 13e9e7d8e49e..66d0e84cefa6 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -665,15 +665,15 @@ void mem_cgroup_uncharge_page(struct page *page) page_assign_page_cgroup(page, NULL); unlock_page_cgroup(page); - mem = pc->mem_cgroup; - css_put(&mem->css); - res_counter_uncharge(&mem->res, PAGE_SIZE); - mz = page_cgroup_zoneinfo(pc); spin_lock_irqsave(&mz->lru_lock, flags); __mem_cgroup_remove_list(pc); spin_unlock_irqrestore(&mz->lru_lock, flags); + mem = pc->mem_cgroup; + res_counter_uncharge(&mem->res, PAGE_SIZE); + css_put(&mem->css); + kfree(pc); return; } @@ -774,9 +774,9 @@ retry: if (page_get_page_cgroup(page) == pc) { page_assign_page_cgroup(page, NULL); unlock_page_cgroup(page); - css_put(&mem->css); - res_counter_uncharge(&mem->res, PAGE_SIZE); __mem_cgroup_remove_list(pc); + res_counter_uncharge(&mem->res, PAGE_SIZE); + css_put(&mem->css); kfree(pc); } else { /* racing uncharge: let page go then retry */