At a high level, does this approach keep an attacker from being able to determine the address of data in the linear map, or does it keep them from being able to *exploit* it? Can you have a ret2dir attack if the attacker doesn't know the address, for instance? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>