diff --git a/[refs] b/[refs]
index 02cee60489ff..70e59471c1d0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7c9626bade13de3f160f0926455328650045d6cd
+refs/heads/master: 987c21a0b0081d480ec3cd04875509cdc10e15e7
diff --git a/trunk/include/acpi/acmacros.h b/trunk/include/acpi/acmacros.h
index 192fa095a515..9b2e4d7154a4 100644
--- a/trunk/include/acpi/acmacros.h
+++ b/trunk/include/acpi/acmacros.h
@@ -55,6 +55,7 @@
 #define ACPI_SET_BIT(target,bit)        ((target) |= (bit))
 #define ACPI_CLEAR_BIT(target,bit)      ((target) &= ~(bit))
 #define ACPI_MIN(a,b)                   (((a)<(b))?(a):(b))
+#define ACPI_MAX(a,b)                   (((a)>(b))?(a):(b))
 
 /* Size calculation */