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-rw-r--r--include/asm-generic/pgtable.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 9cdcbc7c0b7b..3127f9028f54 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -914,6 +914,21 @@ static inline int pud_write(pud_t pud)
}
#endif /* pud_write */
+#if !defined(CONFIG_ARCH_HAS_PTE_DEVMAP) || !defined(CONFIG_TRANSPARENT_HUGEPAGE)
+static inline int pmd_devmap(pmd_t pmd)
+{
+ return 0;
+}
+static inline int pud_devmap(pud_t pud)
+{
+ return 0;
+}
+static inline int pgd_devmap(pgd_t pgd)
+{
+ return 0;
+}
+#endif
+
#if !defined(CONFIG_TRANSPARENT_HUGEPAGE) || \
(defined(CONFIG_TRANSPARENT_HUGEPAGE) && \
!defined(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD))