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

Michal Hocko mhocko at kernel.org
Mon Aug 14 21:34:45 AEST 2017

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

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