[PATCH 5.15 143/530] ARM: 9244/1: dump: Fix wrong pg_level in walk_pmd()

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From: Wang Kefeng <wangkefeng.wang@xxxxxxxxxx>

[ Upstream commit 2ccd19b3ffac07cc7e75a2bd1ed779728bb67197 ]

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@xxxxxxxxxx>
Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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);
 
-- 
2.35.1






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