Re: [v6 04/15] mm: discard memblock data later

Michal Hocko
2017-08-14T11:34:51Z

On Fri 11-08-17 15:00:47, Pasha Tatashin wrote:
> Hi Michal,
>
> This suggestion won't work, because there are arches without memblock
> support: tile, sh...
>
> So, I would still need to have:
>
> #ifdef CONFIG_MEMBLOCK in page_alloc, or define memblock_discard() stubs in
> nobootmem headfile.

This is the standard way to do this. And it is usually preferred to
proliferate ifdefs in the code.
--
Michal Hocko
SUSE Labs