558 static void __init pgd_clear_tests(struct mm_struct *mm, pgd_t *pgdp)  in pgd_clear_tests()  argument
560 	pgd_t pgd = READ_ONCE(*pgdp);  in pgd_clear_tests()
567 	WRITE_ONCE(*pgdp, pgd);  in pgd_clear_tests()
568 	pgd_clear(pgdp);  in pgd_clear_tests()
569 	pgd = READ_ONCE(*pgdp);  in pgd_clear_tests()
573 static void __init pgd_populate_tests(struct mm_struct *mm, pgd_t *pgdp,  in pgd_populate_tests()  argument
587 	pgd_clear(pgdp);  in pgd_populate_tests()
588 	pgd_populate(mm, pgdp, p4dp);  in pgd_populate_tests()
589 	pgd = READ_ONCE(*pgdp);  in pgd_populate_tests()
594 static void __init pgd_clear_tests(struct mm_struct *mm, pgd_t *pgdp) { }  in pgd_clear_tests()  argument
599 static void __init pgd_populate_tests(struct mm_struct *mm, pgd_t *pgdp,  in pgd_populate_tests()  argument
977 	pgd_t *pgdp;  in debug_vm_pgtable()  local
1029 	pgdp = pgd_offset(mm, vaddr);  in debug_vm_pgtable()
1030 	p4dp = p4d_alloc(mm, pgdp, vaddr);  in debug_vm_pgtable()
1048 	saved_p4dp = p4d_offset(pgdp, 0UL);  in debug_vm_pgtable()
1130 	pgd_clear_tests(mm, pgdp);  in debug_vm_pgtable()
1132 	pgd_populate_tests(mm, pgdp, saved_p4dp);  in debug_vm_pgtable()