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-rw-r--r--arch/riscv/include/asm/pgtable.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 41f1b2c6f949..dd4d52940106 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -390,6 +390,13 @@ static inline int pte_special(pte_t pte)
return pte_val(pte) & _PAGE_SPECIAL;
}
+#ifdef CONFIG_ARCH_HAS_PTE_DEVMAP
+static inline int pte_devmap(pte_t pte)
+{
+ return pte_val(pte) & _PAGE_DEVMAP;
+}
+#endif
+
/* static inline pte_t pte_rdprotect(pte_t pte) */
static inline pte_t pte_wrprotect(pte_t pte)
@@ -431,6 +438,11 @@ static inline pte_t pte_mkspecial(pte_t pte)
return __pte(pte_val(pte) | _PAGE_SPECIAL);
}
+static inline pte_t pte_mkdevmap(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_DEVMAP);
+}
+
static inline pte_t pte_mkhuge(pte_t pte)
{
return pte;
@@ -721,6 +733,11 @@ static inline pmd_t pmd_mkdirty(pmd_t pmd)
return pte_pmd(pte_mkdirty(pmd_pte(pmd)));
}
+static inline pmd_t pmd_mkdevmap(pmd_t pmd)
+{
+ return pte_pmd(pte_mkdevmap(pmd_pte(pmd)));
+}
+
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd)
{