Re: [PATCH] Revert"mm/memory-hotplug: fix lowmem count overflow when offline pages"

[Joonyoung Shim]

On 07/31/2013 08:48 PM, Bartlomiej Zolnierkiewicz wrote:
> On Wednesday, July 31, 2013 01:17:46 PM Bartlomiej Zolnierkiewicz wrote:
> > Hi,
> >
> > On Wednesday, July 31, 2013 05:50:02 PM Joonyoung Shim wrote:
> > > This reverts commit cea27eb2a202959783f81254c48c250ddd80e129.
> > Could you please also include commit descriptions, i.e.
> > commit cea27eb2a202959783f81254c48c250ddd80e129 ("mm/memory-hotplug: fix
> > lowmem count overflow when offline pages")?
> >
> > > Fixed to adjust totalhigh_pages when hot-removing memory by commit
> > > 3dcc0571cd64816309765b7c7e4691a4cadf2ee7, so that commit occurs
> > > duplicated decreasing of totalhigh_pages.
> > Could you please describe it a bit more (because it is non-obvious) how
> > the commit cea27eb effectively does the same totalhigh_pages adjustment
> > that is present in the commit 3dcc057?
> Err, the other way around. How the commit 3dcc057 ("mm: correctly update
> zone->managed_pages") does what cea27eb ("mm/memory-hotplug: fix lowmem
> count overflow when offline pages") did.

OK, i updated to patch v2.

Thanks.
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