2022-09-09 12:32:58

by Kefeng Wang

[permalink] [raw]
Subject: [PATCH] ARM: ptdump: Fix wrong pg_level in walk_pmd()

The pg_level should be 4, not 3, after ARM supports p4d page tables,
fix it.

Fixes: 84e6ffb2c49c ("arm: add support for folded p4d page tables")
Signed-off-by: Kefeng Wang <[email protected]>
---
arch/arm/mm/dump.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c
index fb688003d156..712da6a81b23 100644
--- a/arch/arm/mm/dump.c
+++ b/arch/arm/mm/dump.c
@@ -346,7 +346,7 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
addr = start + i * PMD_SIZE;
domain = get_domain_name(pmd);
if (pmd_none(*pmd) || pmd_large(*pmd) || !pmd_present(*pmd))
- note_page(st, addr, 3, pmd_val(*pmd), domain);
+ note_page(st, addr, 4, pmd_val(*pmd), domain);
else
walk_pte(st, pmd, addr, domain);

--
2.35.3