From: Ricardo M. Correia <Ricardo.M.Correia@Sun.COM>
Date: Wed, 25 Feb 2009 21:06:15 +0000 (+0000)
Subject: Changed ptob()/btop() mult/div into bit shifts.
X-Git-Tag: spl-0.4.3~17
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=eb7c7f44e8b7630f027cf92e0490062428f7fced;p=spl

Changed ptob()/btop() mult/div into bit shifts.
Added necessary include for PAGE_SHIFT.
---

diff --git a/include/sys/param.h b/include/sys/param.h
index d6b4f76..dbcdb6e 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 */