From aa09e3611490d6a2f12f211c3c834f1237126313 Mon Sep 17 00:00:00 2001
From: Jeff Hartmann <jhartmann@valinux.com>
Date: Mon, 13 Aug 2001 23:23:47 +0000
Subject: Sync with Linus 2.4.9-pre2 + make all nopage routines more alike

---
 linux-core/drmP.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'linux-core/drmP.h')

diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 8e2ecd16..f0a7ebf4 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -76,6 +76,11 @@
 #include <asm/pgalloc.h>
 #include "drm.h"
 
+/* page_to_bus for earlier kernels, not optimal in all cases */
+#ifndef page_to_bus
+#define page_to_bus(page)	(virt_to_bus(page_address(page)))
+#endif
+
 /* DRM template customization defaults
  */
 #ifndef __HAVE_AGP
-- 
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