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

From: Arun KS
Date: Tue Oct 09 2018 - 05:54:19 EST

On 2018-10-09 14:59, Michal Hocko wrote:
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@xxxxxxxx>

Thanks for your patience with all the resubmission.

Hello Michal,

I got the below email few days back. Do I still need to resubmit the patch? or is it already on the way to merge?


The patch titled
Subject: mm/page_alloc.c: memory hotplug: free pages as higher order
has been added to the -mm tree. Its filename is

This patch should soon appear at
and later at

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