--- zzzz-none-000/linux-2.6.28.10/include/linux/bio.h	2009-05-02 18:54:43.000000000 +0000
+++ puma5-6360-529/linux-2.6.28.10/include/linux/bio.h	2010-04-16 13:30:28.000000000 +0000
@@ -455,7 +455,7 @@
 #endif
 
 static inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx,
-				   unsigned long *flags)
+				   unsigned long *flags __attribute__ ((unused)))
 {
 	return bvec_kmap_irq(bio_iovec_idx(bio, idx), flags);
 }