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

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Message-ID: <c6289fada694462ed708174f9a1f3b6c@codeaurora.org>
Date:   Mon, 22 Oct 2018 16:03:08 +0530
From:   Arun KS <arunks@...eaurora.org>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>, kys@...rosoft.com,
        haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        boris.ostrovsky@...cle.com, jgross@...e.com,
        dan.j.williams@...el.com, iamjoonsoo.kim@....com,
        gregkh@...uxfoundation.org, osalvador@...e.de, malat@...ian.org,
        kirill.shutemov@...ux.intel.com, jrdr.linux@...il.com,
        yasu.isimatu@...il.com, mgorman@...hsingularity.net,
        aaron.lu@...el.com, devel@...uxdriverproject.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        xen-devel@...ts.xenproject.org, vatsa@...eaurora.org,
        vinmenon@...eaurora.org, getarunks@...il.com
Subject: Re: [PATCH v5 1/2] memory_hotplug: Free pages as higher order

On 2018-10-19 13:37, Michal Hocko wrote:
> On Thu 18-10-18 19:18:25, Andrew Morton wrote:
> [...]
>> So this patch needs more work, yes?
> 
> Yes, I've talked to Arun (he is offline until next week) offlist and he
> will play with this some more.

Converted totalhigh_pages, totalram_pages and zone->managed_page to 
atomic and tested hot add. Latency is not effected with this change.
Will send out a separate patch on top of this one.

Regards,
Arun