file_region 73 mm/hugetlb.c struct file_region *rg, *nrg, *trg; file_region 109 mm/hugetlb.c struct file_region *rg, *nrg; file_region 158 mm/hugetlb.c struct file_region *rg, *trg; file_region 188 mm/hugetlb.c struct file_region *rg;