On Wed, Jan 14, 2026 at 11:14:21AM +0100, David Hildenbrand (Red Hat) wrote: > On 1/14/26 09:51, Gregory Price wrote: > > Extract internal helper functions with explicit parameters to prepare > > for adding new APIs that allow explicit online type control: > > > > - __add_memory_resource(): accepts an explicit online_type parameter. > > Add MMOP_SYSTEM_DEFAULT as a new value that instructs the function > > to use mhp_get_default_online_type() for the actual online type. > > The existing add_memory_resource() becomes a thin wrapper that > > passes MMOP_SYSTEM_DEFAULT to preserve existing behavior. > > > > - __offline_memory(): extracted from offline_and_remove_memory() to > > handle the offline operation with rollback support. The caller > > now handles locking and the remove step separately. > > > I don't understand why this change is even part of this patch, can you > elaborate? You don't add any "explicit parameters to prepare for adding new > APIs that allow explicit online type control" there. > > So likely you squeezed two independent things into a single patch? :) > > Likely you should pair the __add_memory_resource() change with the > add_memory_driver_managed() changed and vice versa. >
I tried to keep the refactor work and the new feature work separate. But yeah that's fair i can just add them to the respective path. > > + /* Use system default online type from mhp_get_default_online_type(). */ > > + MMOP_SYSTEM_DEFAULT, > > I don't like having fake options as part of this interface. > > Why can't we let selected users use mhp_get_default_online_type() instead? > Like add_memory_resource(). We can export that function. > Wasn't sure if that was preferred, I can do that. I think i eventually ended up doing that in DAX anyway, I just never came back around to clean it up. ack. ~Gregory

