diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 50bc942..793a0b0 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -740,7 +740,7 @@
 	struct svc_fh	*current_fh = NULL;
 	struct svc_fh	*save_fh = NULL;
 	struct nfs4_stateowner *replay_owner = NULL;
-	int		slack_space;    /* in words, not bytes! */
+	int		slack_bytes;
 	__be32		status;
 
 	status = nfserr_resource;
@@ -790,10 +790,10 @@
 		 * failed response to the next operation.  If we don't
 		 * have enough room, fail with ERR_RESOURCE.
 		 */
-/* FIXME - is slack_space *really* words, or bytes??? - neilb */
-		slack_space = (char *)resp->end - (char *)resp->p;
-		if (slack_space < COMPOUND_SLACK_SPACE + COMPOUND_ERR_SLACK_SPACE) {
-			BUG_ON(slack_space < COMPOUND_ERR_SLACK_SPACE);
+		slack_bytes = (char *)resp->end - (char *)resp->p;
+		if (slack_bytes < COMPOUND_SLACK_SPACE
+				+ COMPOUND_ERR_SLACK_SPACE) {
+			BUG_ON(slack_bytes < COMPOUND_ERR_SLACK_SPACE);
 			op->status = nfserr_resource;
 			goto encode_op;
 		}