diff -ruNp linux-2.6.22-rt1.orig/lib/div64.c linux-2.6.22-rt1.test/lib/div64.c
--- linux-2.6.22-rt1.orig/lib/div64.c	2007-07-12 08:57:33.000000000 +0200
+++ linux-2.6.22-rt1.test/lib/div64.c	2007-07-12 08:49:47.000000000 +0200
@@ -78,26 +78,4 @@ uint64_t div64_64(uint64_t dividend, uin
 }
 EXPORT_SYMBOL(div64_64);
 
-/* 64bit divisor, dividend and result. dynamic precision */
-uint64_t div64_64(uint64_t dividend, uint64_t divisor)
-{
-	uint32_t d = divisor;
-
-	if (divisor > 0xffffffffULL) {
-		unsigned int shift = fls(divisor >> 32);
-
-		d = divisor >> shift;
-		dividend >>= shift;
-	}
-
-	/* avoid 64 bit division if possible */
-	if (dividend >> 32)
-		do_div(dividend, d);
-	else
-		dividend = (uint32_t) dividend / d;
-
-	return dividend;
-}
-EXPORT_SYMBOL(div64_64);
-
 #endif /* BITS_PER_LONG == 32 */