[PATCH v5 1/2] memory_hotplug: Free pages as higher order

Michal Hocko mhocko at kernel.org
Tue Oct 9 09:29:38 UTC 2018


On Fri 05-10-18 13:40:05, Arun KS wrote:
> When free pages are done with higher order, time spend on
> coalescing pages by buddy allocator can be reduced. With
> section size of 256MB, hot add latency of a single section
> shows improvement from 50-60 ms to less than 1 ms, hence
> improving the hot add latency by 60%. Modify external
> providers of online callback to align with the change.

Acked-by: Michal Hocko <mhocko at suse.com>

Thanks for your patience with all the resubmission.
-- 
Michal Hocko
SUSE Labs


More information about the devel mailing list