Subject: Re: [PATCH v1 3/4] powerpc/mm: remove linear mapping if __add_pages() fails in arch_add_memory()

From: Mike Rapoport <[email-masked]>
Date: Wed, 4 Nov 2020 14:06:51 +0200

On Wed, Nov 04, 2020 at 10:50:07AM +0100, osalvador wrote:
> On Thu, Oct 29, 2020 at 05:27:17PM +0100, David Hildenbrand wrote:
> > Let's revert what we did in case seomthing goes wrong and we return an
> > error.
> 
> Dumb question, but should not we do this for other arches as well?

It seems arm64 and s390 already do that. 
x86 could have its arch_add_memory() improved though :)

> -- 
> Oscar Salvador
> SUSE L3

-- 
Sincerely yours,
Mike.