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-rw-r--r--include/linux/pgtable.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 2a6a3cccfc36..e8b2ac6bd2ae 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -447,6 +447,12 @@ static inline void arch_check_zapped_pmd(struct vm_area_struct *vma,
}
#endif
+#ifndef arch_check_zapped_pud
+static inline void arch_check_zapped_pud(struct vm_area_struct *vma, pud_t pud)
+{
+}
+#endif
+
#ifndef __HAVE_ARCH_PTEP_GET_AND_CLEAR
static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
unsigned long address,
@@ -1950,6 +1956,18 @@ typedef unsigned int pgtbl_mod_mask;
#define MAX_PTRS_PER_P4D PTRS_PER_P4D
#endif
+#ifndef pte_pgprot
+#define pte_pgprot(x) ((pgprot_t) {0})
+#endif
+
+#ifndef pmd_pgprot
+#define pmd_pgprot(x) ((pgprot_t) {0})
+#endif
+
+#ifndef pud_pgprot
+#define pud_pgprot(x) ((pgprot_t) {0})
+#endif
+
/* description of effects of mapping type and prot in current implementation.
* this is due to the limited x86 page protection hardware. The expected
* behavior is in parens: