D20154.1777643158.diff
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	Index: sys/x86/include/bus.h
	===================================================================
	--- sys/x86/include/bus.h
	+++ sys/x86/include/bus.h
	@@ -114,7 +114,6 @@

	#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
	#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
	-#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
	#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
	#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
	#if defined(__amd64__) \|\| defined(PAE)
	@@ -123,6 +122,11 @@
	#else
	#define BUS_SPACE_MAXADDR 0xFFFFFFFF
	#endif
	+#if defined(__amd64__)
	+#define BUS_SPACE_MAXSIZE 0xFFFFFFFFFFFFFFFFULL
	+#else
	+#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
	+#endof

	#define BUS_SPACE_INVALID_DATA (~0)
	#define BUS_SPACE_UNRESTRICTED (~0)