get_mem_cgroup_from_page  825 fs/buffer.c    	memcg = get_mem_cgroup_from_page(page);
get_mem_cgroup_from_page  435 include/linux/memcontrol.h struct mem_cgroup *get_mem_cgroup_from_page(struct page *page);
get_mem_cgroup_from_page 1002 mm/memcontrol.c EXPORT_SYMBOL(get_mem_cgroup_from_page);