On 19/01/2017 12:59, Fabian Grünbichler wrote: > > I'm not sure how to fix it, unfortunately. :( > > so this means either use non-transparent huge pages when using > scsi-block (haven't verified but should work?), or use aggressive THP > settings and/or always leave enough memory reserves? :-/ this is very > unfortunate IMHO (and probably also not a very realistic usage > scenario?)
Yes, I agree. Unfortunately there is no API in Linux that lets you verify how many segments an iov is split into. Paolo
