Bitwise-not is often used to create masks. Unfortunately implicit conversions to longer types may leave the recipient with fewer set bit than he expected, if he started with an unsigned type. It's nice to warn that such constructs are dubious. v2: cleaned up as per recommendations from Josh Triplett. -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html