diff --git a/lib/arm/asm/memory_areas.h b/lib/arm/asm/memory_areas.h
new file mode 100644
index 0000000..927baa7
--- /dev/null
+++ b/lib/arm/asm/memory_areas.h
@@ -0,0 +1,11 @@
+#ifndef MEMORY_AREAS_H
+#define MEMORY_AREAS_H
+
+#define AREA_NORMAL_PFN 0
+#define AREA_NORMAL_NUMBER 0
+#define AREA_NORMAL 1
+
+#define AREA_ANY -1
+#define AREA_ANY_NUMBER 0xff
+
+#endif
diff --git a/lib/arm64/asm/memory_areas.h b/lib/arm64/asm/memory_areas.h
new file mode 100644
index 0000000..927baa7
--- /dev/null
+++ b/lib/arm64/asm/memory_areas.h
@@ -0,0 +1,11 @@
+#ifndef MEMORY_AREAS_H
+#define MEMORY_AREAS_H
+
+#define AREA_NORMAL_PFN 0
+#define AREA_NORMAL_NUMBER 0
+#define AREA_NORMAL 1
+
+#define AREA_ANY -1
+#define AREA_ANY_NUMBER 0xff
+
+#endif
diff --git a/lib/asm-generic/memory_areas.h b/lib/asm-generic/memory_areas.h
new file mode 100644
index 0000000..927baa7
--- /dev/null
+++ b/lib/asm-generic/memory_areas.h
@@ -0,0 +1,11 @@
+#ifndef MEMORY_AREAS_H
+#define MEMORY_AREAS_H
+
+#define AREA_NORMAL_PFN 0
+#define AREA_NORMAL_NUMBER 0
+#define AREA_NORMAL 1
+
+#define AREA_ANY -1
+#define AREA_ANY_NUMBER 0xff
+
+#endif
diff --git a/lib/powerpc/asm/memory_areas.h b/lib/powerpc/asm/memory_areas.h
new file mode 100644
index 0000000..927baa7
--- /dev/null
+++ b/lib/powerpc/asm/memory_areas.h
@@ -0,0 +1,11 @@
+#ifndef MEMORY_AREAS_H
+#define MEMORY_AREAS_H
+
+#define AREA_NORMAL_PFN 0
+#define AREA_NORMAL_NUMBER 0
+#define AREA_NORMAL 1
+
+#define AREA_ANY -1
+#define AREA_ANY_NUMBER 0xff
+
+#endif
diff --git a/lib/ppc64/asm/memory_areas.h b/lib/ppc64/asm/memory_areas.h
new file mode 100644
index 0000000..927baa7
--- /dev/null
+++ b/lib/ppc64/asm/memory_areas.h
@@ -0,0 +1,11 @@
+#ifndef MEMORY_AREAS_H
+#define MEMORY_AREAS_H
+
+#define AREA_NORMAL_PFN 0
+#define AREA_NORMAL_NUMBER 0
+#define AREA_NORMAL 1
+
+#define AREA_ANY -1
+#define AREA_ANY_NUMBER 0xff
+
+#endif
diff --git a/lib/s390x/asm/memory_areas.h b/lib/s390x/asm/memory_areas.h
new file mode 100644
index 0000000..4856a27
--- /dev/null
+++ b/lib/s390x/asm/memory_areas.h
@@ -0,0 +1,17 @@
+#ifndef MEMORY_AREAS_H
+#define MEMORY_AREAS_H
+
+#define AREA_NORMAL_PFN BIT(31-12)
+#define AREA_NORMAL_NUMBER 0
+#define AREA_NORMAL 1
+
+#define AREA_LOW_PFN 0
+#define AREA_LOW_NUMBER 1
+#define AREA_LOW 2
+
+#define AREA_ANY -1
+#define AREA_ANY_NUMBER 0xff
+
+#define AREA_DMA31 AREA_LOW
+
+#endif
diff --git a/lib/x86/asm/memory_areas.h b/lib/x86/asm/memory_areas.h
new file mode 100644
index 0000000..952f5bd
--- /dev/null
+++ b/lib/x86/asm/memory_areas.h
@@ -0,0 +1,21 @@
+#ifndef MEMORY_AREAS_H
+#define MEMORY_AREAS_H
+
+#define AREA_NORMAL_PFN BIT(36-12)
+#define AREA_NORMAL_NUMBER 0
+#define AREA_NORMAL 1
+
+#define AREA_PAE_HIGH_PFN BIT(32-12)
+#define AREA_PAE_HIGH_NUMBER 1
+#define AREA_PAE_HIGH 2
+
+#define AREA_LOW_PFN 0
+#define AREA_LOW_NUMBER 2
+#define AREA_LOW 4
+
+#define AREA_PAE (AREA_PAE | AREA_LOW)
+
+#define AREA_ANY -1
+#define AREA_ANY_NUMBER 0xff
+
+#endif