Andrew Morton wrote: > Douglas Gilbert wrote: > >>>Slab: 464364 kB >> > > It's all in slab. > > >>I did notice a rather large growth of nodes >>in sysfs. For 84 added scsi_debug pseudo disks the number >>of sysfs nodes went from 686 to 3347. >> >>Does anybody know what is the per node memory cost of sysfs? > > > Let's see all of /pro/slabinfo please. Andrew, Attachments are /proc/slabinfo pre and post: $ modprobe scsi_debug add_host=42 num_devs=2 which adds 84 pseudo disks. Doug Gilbert