On Sat, Apr 12, 2014 at 7:56 PM, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote: > > Why? Either it works or it doesn't. > > If it works it doesn't make any sense to have a sysctl. BS. It "works" exactly like mmap() at NULL "works". It is a potential security leak, because x86-64 screwed up the architecture definition in this area. So it should definitely be disabled by default, exactly like mmap_min_addr is non-zero by default. Linus -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html