Messages in this thread | | | Date | Wed, 26 Oct 2016 12:03:44 -0500 | From | Reza Arbab <> | Subject | Re: [PATCH v4 4/5] mm: make processing of movable_node arch-specific |
| |
On Wed, Oct 26, 2016 at 09:52:53PM +1100, Michael Ellerman wrote: >> As far as I know, power has nothing like the SRAT that tells us, at >> boot, which memory is hotpluggable. > >On pseries we have the ibm,dynamic-memory device tree property, which >can contain ranges of memory that are not yet "assigned to the >partition" - ie. can be hotplugged later. > >So in general that statement is not true. > >But I think you're focused on bare-metal, in which case you might be >right. But that doesn't mean we couldn't have a similar property, if >skiboot/hostboot knew what the ranges of memory were going to be.
Yes, sorry, I should have qualified that statement to say I wasn't talking about pseries.
I can amend this set to actually implement movable_node on power too, but we'd have to settle on a name for the dt property. Is "linux,movable-node" too on the nose?
-- Reza Arbab
| |