ARM: 9246/1: dump: show page table level name

ARM could have 3 page table level if ARM_LPAE enabled, or only 2 page
table level, let's show the page table level name when dump.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

arch/arm/mm/dump.c

@@ -200,6 +200,7 @@ static const struct prot_bits section_bits[] = {
 };
 
 struct pg_level {
+	const char *name;
 	const struct prot_bits *bits;
 	size_t num;
 	u64 mask;
@@ -213,9 +214,11 @@ static struct pg_level pg_level[] = {
 	}, { /* p4d */
 	}, { /* pud */
 	}, { /* pmd */
+		.name	= (CONFIG_PGTABLE_LEVELS > 2) ? "PMD" : "PGD",
 		.bits	= section_bits,
 		.num	= ARRAY_SIZE(section_bits),
 	}, { /* pte */
+		.name	= "PTE",
 		.bits	= pte_bits,
 		.num	= ARRAY_SIZE(pte_bits),
 	},
@@ -282,7 +285,8 @@ static void note_page(struct pg_state *st, unsigned long addr,
 				delta >>= 10;
 				unit++;
 			}
-			pt_dump_seq_printf(st->seq, "%9lu%c", delta, *unit);
+			pt_dump_seq_printf(st->seq, "%9lu%c %s", delta, *unit,
+					   pg_level[st->level].name);
 			if (st->current_domain)
 				pt_dump_seq_printf(st->seq, " %s",
 							st->current_domain);