On 31.07.19 16:15, Michal Hocko wrote: > On Wed 31-07-19 16:04:10, David Hildenbrand wrote: >> On 31.07.19 15:42, David Hildenbrand wrote: > [...] >>> Powerpc userspace queries it: >>> https://groups.google.com/forum/#!msg/powerpc-utils-devel/dKjZCqpTxus/AwkstV2ABwAJ >> >> FWIW, powerpc-utils also uses the "removable" property - which means >> we're also stuck with that unfortunately. :( > > Yeah, I am aware of that and I strongly suspect this is actually in use > because it is terribly unreliable for any non-idle system. There is > simply no way to find out whether something is offlinable than to try > it. According to the introducing commit "removable" is only used to not even try some memory blocks (IOW to save cpu cycles) - not treated as a guaranteed (which is correct). -- Thanks, David / dhildenb
