hugetlbfs_i_mmap_rwsem_key  755 fs/hugetlbfs/inode.c static struct lock_class_key hugetlbfs_i_mmap_rwsem_key;
hugetlbfs_i_mmap_rwsem_key  781 fs/hugetlbfs/inode.c 				&hugetlbfs_i_mmap_rwsem_key);