Re: [PATCH v6 3/5] mm/sparse: Add a new parameter 'data_unit_size' for alloc_usemap_and_memmap

[Oscar Salvador]

On Thu, Jun 28, 2018 at 02:28:55PM +0800, Baoquan He wrote:
> alloc_usemap_and_memmap() is passing in a "void *" that points to
> usemap_map or memmap_map. In next patch we will change both of the
> map allocation from taking 'NR_MEM_SECTIONS' as the length to taking
> 'nr_present_sections' as the length. After that, the passed in 'void*'
> needs to update as things get consumed. But, it knows only the
> quantity of objects consumed and not the type.  This effectively
> tells it enough about the type to let it update the pointer as
> objects are consumed.
> 
> Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
> Reviewed-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>

-- 
Oscar Salvador
SUSE L3