riscv/mm/pageattr.c

96 static int __split_linear_mapping_pmd(pud_t *pudp,
102 	pmdp = pmd_offset(pudp, vaddr);
138 	pud_t *pudp;
142 	pudp = pud_offset(p4dp, vaddr);
151 		if (pud_leaf(pudp_get(pudp))) {
153 			unsigned long pfn = _pud_pfn(pudp_get(pudp));
154 			pgprot_t prot = __pgprot(pud_val(pudp_get(pudp)) & ~_PAGE_PFN_MASK);
169 			set_pud(pudp, pfn_pud(page_to_pfn(pmd_page), PAGE_TABLE));
172 		ret = __split_linear_mapping_pmd(pudp, vaddr, next);
175 	} while (pudp++, vaddr = next, vaddr != end);