sgi-xp: prepare xpc_rsvd_page to work on either sn2 or uv hardware

Prepare XPC's reserved page header to work for either sn2 or uv.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h
index c42196a..0f75592 100644
--- a/drivers/misc/sgi-xp/xp.h
+++ b/drivers/misc/sgi-xp/xp.h
@@ -220,9 +220,10 @@
 
 	xpBteCopyError,		/* 52: bte_copy() returned error */
 	xpSalError,		/* 53: sn SAL error */
+	xpRsvdPageNotSet,	/* 54: the reserved page is not set up */
 
-	xpUnsupported,		/* 54: unsupported functionality or resource */
-	xpUnknownReason		/* 55: unknown reason - must be last in enum */
+	xpUnsupported,		/* 55: unsupported functionality or resource */
+	xpUnknownReason		/* 56: unknown reason - must be last in enum */
 };
 
 /*