220 static void dump_prot(struct pg_state *st, const struct prot_bits *bits, size_t num)  in dump_prot()  argument
227 		if ((st->current_prot & bits->mask) == bits->val)  in dump_prot()
233 			pt_dump_seq_printf(st->seq, " %s", s);  in dump_prot()
237 static void note_prot_wx(struct pg_state *st, unsigned long addr)  in note_prot_wx()  argument
239 	if (!st->check_wx)  in note_prot_wx()
241 	if ((st->current_prot & pg_level[st->level].ro_bit->mask) ==  in note_prot_wx()
242 				pg_level[st->level].ro_bit->val)  in note_prot_wx()
244 	if ((st->current_prot & pg_level[st->level].nx_bit->mask) ==  in note_prot_wx()
245 				pg_level[st->level].nx_bit->val)  in note_prot_wx()
249 			(void *)st->start_address);  in note_prot_wx()
251 	st->wx_pages += (addr - st->start_address) / PAGE_SIZE;  in note_prot_wx()
254 static void note_page(struct pg_state *st, unsigned long addr,  in note_page()  argument
260 	if (!st->level) {  in note_page()
261 		st->level = level;  in note_page()
262 		st->current_prot = prot;  in note_page()
263 		st->current_domain = domain;  in note_page()
264 		pt_dump_seq_printf(st->seq, "---[ %s ]---\n", st->marker->name);  in note_page()
265 	} else if (prot != st->current_prot || level != st->level ||  in note_page()
266 		   domain != st->current_domain ||  in note_page()
267 		   addr >= st->marker[1].start_address) {  in note_page()
271 		if (st->current_prot) {  in note_page()
272 			note_prot_wx(st, addr);  in note_page()
273 			pt_dump_seq_printf(st->seq, "0x%08lx-0x%08lx   ",  in note_page()
274 				   st->start_address, addr);  in note_page()
276 			delta = (addr - st->start_address) >> 10;  in note_page()
281 			pt_dump_seq_printf(st->seq, "%9lu%c", delta, *unit);  in note_page()
282 			if (st->current_domain)  in note_page()
283 				pt_dump_seq_printf(st->seq, " %s",  in note_page()
284 							st->current_domain);  in note_page()
285 			if (pg_level[st->level].bits)  in note_page()
286 				dump_prot(st, pg_level[st->level].bits, pg_level[st->level].num);  in note_page()
287 			pt_dump_seq_printf(st->seq, "\n");  in note_page()
290 		if (addr >= st->marker[1].start_address) {  in note_page()
291 			st->marker++;  in note_page()
292 			pt_dump_seq_printf(st->seq, "---[ %s ]---\n",  in note_page()
293 							st->marker->name);  in note_page()
295 		st->start_address = addr;  in note_page()
296 		st->current_prot = prot;  in note_page()
297 		st->current_domain = domain;  in note_page()
298 		st->level = level;  in note_page()
302 static void walk_pte(struct pg_state *st, pmd_t *pmd, unsigned long start,  in walk_pte()  argument
311 		note_page(st, addr, 5, pte_val(*pte), domain);  in walk_pte()
334 static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)  in walk_pmd()  argument
345 			note_page(st, addr, 4, pmd_val(*pmd), domain);  in walk_pmd()
347 			walk_pte(st, pmd, addr, domain);  in walk_pmd()
353 			note_page(st, addr, 4, pmd_val(*pmd), domain);  in walk_pmd()
358 static void walk_pud(struct pg_state *st, p4d_t *p4d, unsigned long start)  in walk_pud()  argument
367 			walk_pmd(st, pud, addr);  in walk_pud()
369 			note_page(st, addr, 3, pud_val(*pud), NULL);  in walk_pud()
374 static void walk_p4d(struct pg_state *st, pgd_t *pgd, unsigned long start)  in walk_p4d()  argument
383 			walk_pud(st, p4d, addr);  in walk_p4d()
385 			note_page(st, addr, 2, p4d_val(*p4d), NULL);  in walk_p4d()
390 static void walk_pgd(struct pg_state *st, struct mm_struct *mm,  in walk_pgd()  argument
400 			walk_p4d(st, pgd, addr);  in walk_pgd()
402 			note_page(st, addr, 1, pgd_val(*pgd), NULL);  in walk_pgd()
409 	struct pg_state st = {  in ptdump_walk_pgd()  local
415 	walk_pgd(&st, info->mm, info->base_addr);  in ptdump_walk_pgd()
416 	note_page(&st, 0, 0, 0, NULL);  in ptdump_walk_pgd()
444 	struct pg_state st = {  in ptdump_check_wx()  local
453 	walk_pgd(&st, &init_mm, 0);  in ptdump_check_wx()
454 	note_page(&st, 0, 0, 0, NULL);  in ptdump_check_wx()
455 	if (st.wx_pages)  in ptdump_check_wx()
457 			st.wx_pages);  in ptdump_check_wx()