On Tue, Jun 24, 2014 at 07:27:15PM +0530, Varun Sethi wrote:

 	/* window size is 2^(WSE+1) bytes */
-	return __ffs(addrspace_size) - 1;
+	return fls64(addrspace_size) - 2;

This looks bogus, why do you replace ffs (find-first-bit) by fls
(find-last-bit)?


	Joerg