From eb7c7f44e8b7630f027cf92e0490062428f7fced Mon Sep 17 00:00:00 2001
From: "Ricardo M. Correia" <Ricardo.M.Correia@Sun.COM>
Date: Wed, 25 Feb 2009 21:06:15 +0000
Subject: Changed ptob()/btop() mult/div into bit shifts. Added necessary
 include for PAGE_SHIFT.

---
 include/sys/param.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'include')

diff --git a/include/sys/param.h b/include/sys/param.h
index d6b4f761f..dbcdb6e9c 100644
--- a/include/sys/param.h
+++ b/include/sys/param.h
@@ -1,8 +1,10 @@
 #ifndef _SPL_PARAM_H
 #define _SPL_PARAM_H
 
+#include <asm/page.h>
+
 /* Pages to bytes and back */
-#define ptob(pages)			(pages * PAGE_SIZE)
-#define btop(bytes)			(bytes / PAGE_SIZE)
+#define ptob(pages)			(pages << PAGE_SHIFT)
+#define btop(bytes)			(bytes >> PAGE_SHIFT)
 
 #endif /* SPL_PARAM_H */
-- 
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