495 static void __init pgd_clear_tests(struct mm_struct *mm, pgd_t *pgdp)  in pgd_clear_tests()  argument
497 	pgd_t pgd = READ_ONCE(*pgdp);  in pgd_clear_tests()
504 	WRITE_ONCE(*pgdp, pgd);  in pgd_clear_tests()
505 	pgd_clear(pgdp);  in pgd_clear_tests()
506 	pgd = READ_ONCE(*pgdp);  in pgd_clear_tests()
510 static void __init pgd_populate_tests(struct mm_struct *mm, pgd_t *pgdp,  in pgd_populate_tests()  argument
524 	pgd_clear(pgdp);  in pgd_populate_tests()
525 	pgd_populate(mm, pgdp, p4dp);  in pgd_populate_tests()
526 	pgd = READ_ONCE(*pgdp);  in pgd_populate_tests()
531 static void __init pgd_clear_tests(struct mm_struct *mm, pgd_t *pgdp) { }  in pgd_clear_tests()  argument
536 static void __init pgd_populate_tests(struct mm_struct *mm, pgd_t *pgdp,  in pgd_populate_tests()  argument
891 	pgd_t *pgdp;  in debug_vm_pgtable()  local
942 	pgdp = pgd_offset(mm, vaddr);  in debug_vm_pgtable()
943 	p4dp = p4d_alloc(mm, pgdp, vaddr);  in debug_vm_pgtable()
961 	saved_p4dp = p4d_offset(pgdp, 0UL);  in debug_vm_pgtable()
1027 	pgd_clear_tests(mm, pgdp);  in debug_vm_pgtable()
1029 	pgd_populate_tests(mm, pgdp, saved_p4dp);  in debug_vm_pgtable()