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ARM: 9244/1: dump: Fix wrong pg_level in walk_pmd()

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[ Upstream commit 2ccd19b3ff ]

After ARM supports p4d page tables, the pg_level for note_page()
in walk_pmd() should be 4, not 3, fix it.

Fixes: 84e6ffb2c4 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wang Kefeng 2022-09-13 05:25:51 +01:00 • committed by Justin Hammond
parent 3be939cb38
commit 2798c6259a
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mm/dump.c
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@ -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);