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SubjectRe: [PATCH v5 1/2] memory_hotplug: Free pages as higher order
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 <>
> 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
has been added to the -mm tree. Its filename is

This patch should soon appear at
and later at

Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when
testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

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