linux-kernel - Re: [PATCH] mm, memory_hotplug: teach has_unmovable

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Date:   Tue, 6 Nov 2018 10:51:09 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Baoquan He <bhe@...hat.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        LKML <linux-kernel@...r.kernel.org>,
        Stable tree <stable@...r.kernel.org>
Subject: Re: [PATCH] mm, memory_hotplug: teach has_unmovable_pages about of
 LRU migrateable pages

On Tue 06-11-18 17:16:24, Baoquan He wrote:
[...]
> Not sure if there are any scenario or use cases to cover those newly added
> checking other movable zone checking. Surely, I have no objection to
> adding them. But the two patches are separate issues, they have no
> dependency on each other.

Yes that is correct. I will drop those additional checks for now. Let's
see if we need them later.

> I just tested the movable zone checking yesterday, will add your
> previous check back, then test again. I believe the result will be
> positive. Will udpate once done.

THere is no need to retest with that patch for your movable node setup.

-- 
Michal Hocko
SUSE Labs