diff --git a/fs/Kconfig b/fs/Kconfig
index 6725f59..b8fcb41 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -52,6 +52,7 @@
 	depends on FS_DAX
 	depends on ZONE_DEVICE
 	depends on TRANSPARENT_HUGEPAGE
+	depends on BROKEN
 
 endif # BLOCK
 
diff --git a/fs/dax.c b/fs/dax.c
index bdad052..0433a2b 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -675,7 +675,7 @@
 }
 EXPORT_SYMBOL_GPL(dax_fault);
 
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE)
 /*
  * The 'colour' (ie low bits) within a PMD of a page offset.  This comes up
  * more often than one might expect in the below function.
diff --git a/include/linux/dax.h b/include/linux/dax.h
index 90fbc99..72dc81d 100644
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -29,7 +29,7 @@
 }
 #endif
 
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE)
 int dax_pmd_fault(struct vm_area_struct *, unsigned long addr, pmd_t *,
 				unsigned int flags, get_block_t);
 int __dax_pmd_fault(struct vm_area_struct *, unsigned long addr, pmd_t *,