Re: [PATCH] mm: name the anonymous MMOP enum as enum mmop

[Davidlohr Bueso]

On Wed, 11 Feb 2026, Gregory Price wrote:

> Give the MMOP enum (MMOP_OFFLINE, MMOP_ONLINE, etc) a proper type
> name so the compiler can help catch invalid values being assigned to
> variables of this type.
>
> Leave the existing functions returning int alone to allow for
> value-or-error pattern to remain unchanged without churn.
>
> mmop_default_online_type is left as int because it uses the -1
> sentinal value to signal it hasn't been initialized yet.
>
> Keep the uint8_t buffer in offline_and_remove_memory() as-is for
> space efficiency, with an explicit cast when we consume the value.
>
> Move the enum definition before the CONFIG_MEMORY_HOTPLUG guard so
> it is unconditionally available for struct memory_block in memory.h.
>
> No functional change.

Reviewed-by: Davidlohr Bueso <dave@xxxxxxxxxxxx>