rtpn             6991 mm/memcontrol.c 		struct mem_cgroup_tree_per_node *rtpn;
rtpn             6993 mm/memcontrol.c 		rtpn = kzalloc_node(sizeof(*rtpn), GFP_KERNEL,
rtpn             6996 mm/memcontrol.c 		rtpn->rb_root = RB_ROOT;
rtpn             6997 mm/memcontrol.c 		rtpn->rb_rightmost = NULL;
rtpn             6998 mm/memcontrol.c 		spin_lock_init(&rtpn->lock);
rtpn             6999 mm/memcontrol.c 		soft_limit_tree.rb_tree_per_node[node] = rtpn;