--- linux/mm/highmem.c.orig	Fri Nov 12 00:31:13 1999
+++ linux/mm/highmem.c	Fri Nov 12 00:32:30 1999
@@ -269,9 +269,9 @@
 	unsigned long vto;
 
 	p_to = to->b_page;
-	vto = kmap_atomic(p_to, KM_BOUNCE_WRITE);
+	vto = kmap_atomic(p_to, KM_BOUNCE_READ);
 	memcpy((char *)vto + bh_offset(to), from->b_data, to->b_size);
-	kunmap_atomic(vto, KM_BOUNCE_WRITE);
+	kunmap_atomic(vto, KM_BOUNCE_READ);
 }
 
 static inline void bounce_end_io (struct buffer_head *bh, int uptodate)