187 static void dump_prot(struct pg_state *st, const struct prot_bits *bits,  in dump_prot()  argument
195 		if ((st->current_prot & bits->mask) == bits->val)  in dump_prot()
201 			seq_printf(st->seq, " %s", s);  in dump_prot()
205 static void note_page(struct pg_state *st, unsigned long addr, unsigned level,  in note_page()  argument
211 	if (!st->level) {  in note_page()
212 		st->level = level;  in note_page()
213 		st->current_prot = prot;  in note_page()
214 		st->start_address = addr;  in note_page()
215 		seq_printf(st->seq, "---[ %s ]---\n", st->marker->name);  in note_page()
216 	} else if (prot != st->current_prot || level != st->level ||  in note_page()
217 		   addr >= st->marker[1].start_address) {  in note_page()
221 		if (st->current_prot) {  in note_page()
222 			seq_printf(st->seq, "0x%016lx-0x%016lx   ",  in note_page()
223 				   st->start_address, addr);  in note_page()
225 			delta = (addr - st->start_address) >> 10;  in note_page()
230 			seq_printf(st->seq, "%9lu%c", delta, *unit);  in note_page()
231 			if (pg_level[st->level].bits)  in note_page()
232 				dump_prot(st, pg_level[st->level].bits,  in note_page()
233 					  pg_level[st->level].num);  in note_page()
234 			seq_puts(st->seq, "\n");  in note_page()
237 		if (addr >= st->marker[1].start_address) {  in note_page()
238 			st->marker++;  in note_page()
239 			seq_printf(st->seq, "---[ %s ]---\n", st->marker->name);  in note_page()
242 		st->start_address = addr;  in note_page()
243 		st->current_prot = prot;  in note_page()
244 		st->level = level;  in note_page()
247 	if (addr >= st->marker[1].start_address) {  in note_page()
248 		st->marker++;  in note_page()
249 		seq_printf(st->seq, "---[ %s ]---\n", st->marker->name);  in note_page()
254 static void walk_pte(struct pg_state *st, pmd_t *pmd, unsigned long start)  in walk_pte()  argument
262 		note_page(st, addr, 4, pte_val(*pte));  in walk_pte()
266 static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)  in walk_pmd()  argument
275 			note_page(st, addr, 3, pmd_val(*pmd));  in walk_pmd()
278 			walk_pte(st, pmd, addr);  in walk_pmd()
283 static void walk_pud(struct pg_state *st, pgd_t *pgd, unsigned long start)  in walk_pud()  argument
292 			note_page(st, addr, 2, pud_val(*pud));  in walk_pud()
295 			walk_pmd(st, pud, addr);  in walk_pud()
300 static void walk_pgd(struct pg_state *st, struct mm_struct *mm, unsigned long start)  in walk_pgd()  argument
309 			note_page(st, addr, 1, pgd_val(*pgd));  in walk_pgd()
312 			walk_pud(st, pgd, addr);  in walk_pgd()
319 	struct pg_state st = {  in ptdump_show()  local
324 	walk_pgd(&st, &init_mm, LOWEST_ADDR);  in ptdump_show()
326 	note_page(&st, 0, 0, 0);  in ptdump_show()