64 static int __init zero_pte_populate(pmd_t *pmd, unsigned long addr,  in zero_pte_populate()  argument
67 	pte_t *pte = pte_offset_kernel(pmd, addr);  in zero_pte_populate()
69 	while (addr + PAGE_SIZE <= end) {  in zero_pte_populate()
73 		addr += PAGE_SIZE;  in zero_pte_populate()
74 		pte = pte_offset_kernel(pmd, addr);  in zero_pte_populate()
79 static int __init zero_pmd_populate(pud_t *pud, unsigned long addr,  in zero_pmd_populate()  argument
83 	pmd_t *pmd = pmd_offset(pud, addr);  in zero_pmd_populate()
85 	while (IS_ALIGNED(addr, PMD_SIZE) && addr + PMD_SIZE <= end) {  in zero_pmd_populate()
89 		addr += PMD_SIZE;  in zero_pmd_populate()
90 		pmd = pmd_offset(pud, addr);  in zero_pmd_populate()
92 	if (addr < end) {  in zero_pmd_populate()
99 		ret = zero_pte_populate(pmd, addr, end);  in zero_pmd_populate()
105 static int __init zero_pud_populate(pgd_t *pgd, unsigned long addr,  in zero_pud_populate()  argument
109 	pud_t *pud = pud_offset(pgd, addr);  in zero_pud_populate()
111 	while (IS_ALIGNED(addr, PUD_SIZE) && addr + PUD_SIZE <= end) {  in zero_pud_populate()
115 		addr += PUD_SIZE;  in zero_pud_populate()
116 		pud = pud_offset(pgd, addr);  in zero_pud_populate()
119 	if (addr < end) {  in zero_pud_populate()
126 		ret = zero_pmd_populate(pud, addr, end);  in zero_pud_populate()
131 static int __init zero_pgd_populate(unsigned long addr, unsigned long end)  in zero_pgd_populate()  argument
134 	pgd_t *pgd = pgd_offset_k(addr);  in zero_pgd_populate()
136 	while (IS_ALIGNED(addr, PGDIR_SIZE) && addr + PGDIR_SIZE <= end) {  in zero_pgd_populate()
140 		addr += PGDIR_SIZE;  in zero_pgd_populate()
141 		pgd = pgd_offset_k(addr);  in zero_pgd_populate()
144 	if (addr < end) {  in zero_pgd_populate()
151 		ret = zero_pud_populate(pgd, addr, end);  in zero_pgd_populate()