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-rw-r--r--arch/arm64/include/asm/pgtable.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 5fdcfe237338..e09760ece844 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -209,7 +209,7 @@ static inline pmd_t pmd_mkcont(pmd_t pmd)
static inline pte_t pte_mkdevmap(pte_t pte)
{
- return set_pte_bit(pte, __pgprot(PTE_DEVMAP));
+ return set_pte_bit(pte, __pgprot(PTE_DEVMAP | PTE_SPECIAL));
}
static inline void set_pte(pte_t *ptep, pte_t pte)
@@ -396,7 +396,10 @@ static inline int pmd_protnone(pmd_t pmd)
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
#define pmd_devmap(pmd) pte_devmap(pmd_pte(pmd))
#endif
-#define pmd_mkdevmap(pmd) pte_pmd(pte_mkdevmap(pmd_pte(pmd)))
+static inline pmd_t pmd_mkdevmap(pmd_t pmd)
+{
+ return pte_pmd(set_pte_bit(pmd_pte(pmd), __pgprot(PTE_DEVMAP)));
+}
#define __pmd_to_phys(pmd) __pte_to_phys(pmd_pte(pmd))
#define __phys_to_pmd_val(phys) __phys_to_pte_val(phys)