Re: [PATCH] mm/Kconfig: allow user to select MIGRATION if MEMORY_FAILURE is enabled

[Xie Yuanbin]

Thanks for replying.

On Thu, 13 Aug 2026 11:11:11 +0200, David Hildenbrand wrote:
> On 8/13/26 09:23, Xie Yuanbin wrote:
>> I think that just making MEMORY_FAILURE select MIGRATION is also a very
>> good solution, and I respect the maintainers' opinion.
>
> There must be a good reason to do something fine grained like
> MEMORY_FAILURE_MIGRATON, really.
>
> So if there is a use case out there that absolutely doesn't want
> CONFIG_MIGRATION but does want CONFIG_MEMORY_FAILURE, we could discuss it.

At least so far, I haven't encountered such a use case.

> As really only softdirty needs page migration (IIRC), we could also just put
> that under a separate config that implies CONFIG_MIGRATION, like
> CONFIG_MEMORY_FAILURE_SOFT_OFFLINE. But I'd rather avoid that unless really
> required.

Okay, I understand it now. Making MEMORY_FAILURE select MIGRATION should
be enough.