From 2ccd19b3ffac07cc7e75a2bd1ed779728bb67197 Mon Sep 17 00:00:00 2001
From: Wang Kefeng <wangkefeng.wang@huawei.com>
Date: Tue, 13 Sep 2022 05:25:51 +0100
Subject: [PATCH] ARM: 9244/1: dump: Fix wrong pg_level in walk_pmd()
Git-commit: 2ccd19b3ffac07cc7e75a2bd1ed779728bb67197
Patch-mainline: v6.1-rc1
References: git-fixes
After ARM supports p4d page tables, the pg_level for note_page()
in walk_pmd() should be 4, not 3, fix it.
Fixes: 84e6ffb2c49c ("arm: add support for folded p4d page tables")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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