From: Joonyoung Shim <jy0922.shim@samsung.com>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: linux-mm@kvack.org, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org, liuj97@gmail.com,
kosaki.motohiro@gmail.com
Subject: Re: [PATCH] Revert "mm/memory-hotplug: fix lowmem count overflow when offline pages"
Date: Fri, 09 Aug 2013 09:58:11 +0900 [thread overview]
Message-ID: <52043EA3.3080704@samsung.com> (raw)
In-Reply-To: <3049413.HnxJdeugZK@amdc1032>
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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next prev parent reply other threads:[~2013-08-09 0:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-31 8:50 Joonyoung Shim
2013-07-31 11:17 ` Bartlomiej Zolnierkiewicz
2013-07-31 11:48 ` Bartlomiej Zolnierkiewicz
2013-08-09 0:58 ` Joonyoung Shim [this message]
2013-08-04 7:49 ` Wanpeng Li
2013-08-04 7:49 ` Wanpeng Li
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