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-rw-r--r--arch/arm64/mm/mmu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 6b7e89569a3a..0a472c41a67f 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -374,6 +374,9 @@ int kern_addr_valid(unsigned long addr)
if (pmd_none(*pmd))
return 0;
+ if (pmd_sect(*pmd))
+ return pfn_valid(pmd_pfn(*pmd));
+
pte = pte_offset_kernel(pmd, addr);
if (pte_none(*pte))
return 0;