Messages in this thread | | | Date | Thu, 2 May 2019 13:34:19 -0400 | From | Sasha Levin <> | Subject | Re: [v4 2/2] device-dax: "Hotremove" persistent memory that is used like normal RAM |
| |
On Wed, May 01, 2019 at 03:18:46PM -0400, Pavel Tatashin wrote: >It is now allowed to use persistent memory like a regular RAM, but >currently there is no way to remove this memory until machine is >rebooted. > >This work expands the functionality to also allows hotremoving >previously hotplugged persistent memory, and recover the device for use >for other purposes. > >To hotremove persistent memory, the management software must first >offline all memory blocks of dax region, and than unbind it from >device-dax/kmem driver. So, operations should look like this: > >echo offline > echo offline > /sys/devices/system/memory/memoryN/state
This looks wrong :)
-- Thanks, Sasha
| |