Re: [PATCH v2 05/10] mm/memory_hotplug: drop nr_isolate_pageblock in offline_pages()

[Oscar Salvador]

On Wed, Aug 19, 2020 at 07:59:52PM +0200, David Hildenbrand wrote:
> We make sure that we cannot have any memory holes right at the beginning
> of offline_pages() and we only support to online/offline full sections.
> Both, sections and pageblocks are a power of two in size, and sections
> always span full pageblocks.
> 
> We can directly calculate the number of isolated pageblocks from nr_pages.
> 
> Acked-by: Michal Hocko <mhocko@xxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxx>
> Cc: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx>
> Cc: Baoquan He <bhe@xxxxxxxxxx>
> Cc: Pankaj Gupta <pankaj.gupta.linux@xxxxxxxxx>
> Cc: Oscar Salvador <osalvador@xxxxxxx>
> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>


-- 
Oscar Salvador
SUSE L3