41 	struct swap_cgroup_ctrl *ctrl;  in swap_cgroup_prepare()  local
44 	ctrl = &swap_cgroup_ctrl[type];  in swap_cgroup_prepare()
46 	for (idx = 0; idx < ctrl->length; idx++) {  in swap_cgroup_prepare()
50 		ctrl->map[idx] = page;  in swap_cgroup_prepare()
56 		__free_page(ctrl->map[idx]);  in swap_cgroup_prepare()
65 	struct swap_cgroup_ctrl *ctrl;  in lookup_swap_cgroup()  local
69 	ctrl = &swap_cgroup_ctrl[swp_type(ent)];  in lookup_swap_cgroup()
71 		*ctrlp = ctrl;  in lookup_swap_cgroup()
73 	mappage = ctrl->map[offset / SC_PER_PAGE];  in lookup_swap_cgroup()
90 	struct swap_cgroup_ctrl *ctrl;  in swap_cgroup_cmpxchg()  local
95 	sc = lookup_swap_cgroup(ent, &ctrl);  in swap_cgroup_cmpxchg()
97 	spin_lock_irqsave(&ctrl->lock, flags);  in swap_cgroup_cmpxchg()
103 	spin_unlock_irqrestore(&ctrl->lock, flags);  in swap_cgroup_cmpxchg()
117 	struct swap_cgroup_ctrl *ctrl;  in swap_cgroup_record()  local
122 	sc = lookup_swap_cgroup(ent, &ctrl);  in swap_cgroup_record()
124 	spin_lock_irqsave(&ctrl->lock, flags);  in swap_cgroup_record()
127 	spin_unlock_irqrestore(&ctrl->lock, flags);  in swap_cgroup_record()
148 	struct swap_cgroup_ctrl *ctrl;  in swap_cgroup_swapon()  local
160 	ctrl = &swap_cgroup_ctrl[type];  in swap_cgroup_swapon()
162 	ctrl->length = length;  in swap_cgroup_swapon()
163 	ctrl->map = array;  in swap_cgroup_swapon()
164 	spin_lock_init(&ctrl->lock);  in swap_cgroup_swapon()
167 		ctrl->map = NULL;  in swap_cgroup_swapon()
168 		ctrl->length = 0;  in swap_cgroup_swapon()
187 	struct swap_cgroup_ctrl *ctrl;  in swap_cgroup_swapoff()  local
193 	ctrl = &swap_cgroup_ctrl[type];  in swap_cgroup_swapoff()
194 	map = ctrl->map;  in swap_cgroup_swapoff()
195 	length = ctrl->length;  in swap_cgroup_swapoff()
196 	ctrl->map = NULL;  in swap_cgroup_swapoff()
197 	ctrl->length = 0;  in swap_cgroup_swapoff()