>>> On 2014/7/9 6:39, Mikulas Patocka wrote: >> Which ioctl with more than 16kB >> arguments do you use? Unanswered. Let's ask the same question in a different way: Please supply the output of these three commands on the real-world system on which you believe that that particular allocation is causing you a problem: dmsetup info -c dmsetup table dmsetup status Alasdair -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel