From: Krzysztof Kozlowski <k.kozlowski@samsung.com>
To: Bob Liu <bob.liu@oracle.com>
Cc: Seth Jennings <sjenning@linux.vnet.ibm.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@suse.de>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>
Subject: Re: [RFC PATCH 0/4] mm: reclaim zbud pages on migration and compaction
Date: Tue, 06 Aug 2013 15:05:14 +0200 [thread overview]
Message-ID: <1375794314.13955.6.camel@AMDC1943> (raw)
In-Reply-To: <5200BEEF.7060904@oracle.com>
On wto, 2013-08-06 at 17:16 +0800, Bob Liu wrote:
> On 08/06/2013 02:42 PM, Krzysztof Kozlowski wrote:
> > This reclaim process is different than zbud_reclaim_page(). It acts more
> > like swapoff() by trying to unuse pages stored in zbud page and bring
> > them back to memory. The standard zbud_reclaim_page() on the other hand
> > tries to write them back.
>
> I prefer to migrate zbud pages directly if it's possible than reclaiming
> them during compaction.
I think it is possible however it would be definitely more complex. In
case of migration the zswap handles should be updated as they are just
virtual addresses. Am I right?
Best regards,
Krzysztof
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prev parent reply other threads:[~2013-08-06 13:05 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-06 6:42 [RFC PATCH 0/4] mm: reclaim zbud pages on migration and compaction Krzysztof Kozlowski
2013-08-06 6:42 ` [RFC PATCH 1/4] zbud: use page ref counter for zbud pages Krzysztof Kozlowski
2013-08-06 9:00 ` Bob Liu
2013-08-06 9:25 ` Krzysztof Kozlowski
2013-08-06 18:51 ` Seth Jennings
2013-08-07 7:31 ` Krzysztof Kozlowski
2013-08-06 6:42 ` [RFC PATCH 2/4] mm: split code for unusing swap entries from try_to_unuse Krzysztof Kozlowski
2013-08-06 6:42 ` [RFC PATCH 3/4] mm: add zbud flag to page flags Krzysztof Kozlowski
2013-08-06 16:58 ` Dave Hansen
2013-08-07 7:04 ` Krzysztof Kozlowski
2013-08-08 7:26 ` Krzysztof Kozlowski
2013-08-06 18:57 ` Seth Jennings
2013-08-06 6:42 ` [RFC PATCH 4/4] mm: reclaim zbud pages on migration and compaction Krzysztof Kozlowski
2013-08-06 9:16 ` [RFC PATCH 0/4] " Bob Liu
2013-08-06 13:05 ` Krzysztof Kozlowski [this message]
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