--- 2.4/mm/filemap.c	Wed Feb 14 10:51:42 2001
+++ build-2.4/mm/filemap.c	Wed Feb 14 22:11:44 2001
@@ -1248,6 +1248,20 @@
 		size = count;
 
 	kaddr = kmap(page);
+	if (size > 128) {
+		int i;
+		__asm__ __volatile__(
+			"mov %1, %0\n\t"
+			: "=r" (i)
+			: "r" (kaddr+offset)); /* load tlb entry */
+		for(i=0;i<size;i+=64) {
+			__asm__ __volatile__(
+				"prefetchnta (%1, %0)\n\t"
+				"prefetchnta 32(%1, %0)\n\t"
+				: /* no output */
+				: "r" (i), "r" (kaddr+offset));
+		}
+	}
 	left = __copy_to_user(desc->buf, kaddr + offset, size);
 	kunmap(page);