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Date:   Thu, 23 Jul 2020 12:19:47 +0200
From:   Oscar Salvador <osalvador@suse.de>
To:     HORIGUCHI =?utf-8?B?TkFPWUEo5aCA5Y+j44CA55u05LmfKQ==?= 
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Cc:     akpm@linux-foundation.org, Michal Hocko <MHocko@suse.com>,
        linux-mm@kvack.org, mike.kravetz@oracle.com, david@redhat.com,
        aneesh.kumar@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
        Oscar Salvador <OSalvador@suse.com>
Subject: Re: [PATCH v4 12/15] mm,hwpoison: Rework soft offline for in-use
 pages
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On Wed, Jul 22, 2020 at 10:08:59AM +0200, osalvador@suse.de wrote:
> On 2020-07-20 10:27, osalvador@suse.de wrote:
> > > This means that some hugepages are dissolved, but the others not,
> > > maybe which is not desirable.
> > > I'll dig this more later but just let me share at first.
> > > 
> > > A few minor comment below ...
> > 
> > 
> > Uhm, weird.
> > 
> > I will be taking a look today.
> 
> After some digging up I __think__ I found the problem.
> I will try to fix it up and I will be running tests.

I found the problem.
I re-ran the tests again with small and large memory and 
the stats look correct this time.

After some more testing, I also fixed a list corruption that was happening
due to the same problem.

I am creating a git branch so you can re-run your tests on it as well.

-- 
Oscar Salvador
SUSE L3