From: Michal Hocko <mhocko@suse.com>
To: js1304@gmail.com
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Vlastimil Babka <vbabka@suse.cz>,
David Rientjes <rientjes@google.com>,
Mel Gorman <mgorman@suse.de>,
Johannes Weiner <hannes@cmpxchg.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>
Subject: Re: [RFC PATCH 0/5] pro-active compaction
Date: Fri, 13 Jan 2017 10:24:21 +0100 [thread overview]
Message-ID: <20170113092420.GF25212@dhcp22.suse.cz> (raw)
In-Reply-To: <1484291673-2239-1-git-send-email-iamjoonsoo.kim@lge.com>
On Fri 13-01-17 16:14:28, Joonsoo Kim wrote:
> From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
>
> Hello,
>
> This is a patchset for pro-active compaction to reduce fragmentation.
> It is a just RFC patchset so implementation detail isn't good.
> I submit this for people who want to check the effect of pro-active
> compaction.
>
> Patch 1 ~ 4 introduces new metric for checking fragmentation. I think
> that this new metric is useful to check fragmentation state
> regardless of usefulness of pro-active compaction. Please let me know
> if someone see that this new metric is useful. I'd like to submit it,
> separately.
Could you describe this metric from a high level POV please?
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2017-01-13 9:24 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-13 7:14 js1304
2017-01-13 7:14 ` [RFC PATCH 1/5] mm/vmstat: retrieve suitable free pageblock information just once js1304
2017-01-19 10:47 ` Vlastimil Babka
2017-01-23 3:17 ` Joonsoo Kim
2017-01-19 11:51 ` Michal Hocko
2017-01-19 12:06 ` Vlastimil Babka
2017-01-13 7:14 ` [RFC PATCH 2/5] mm/vmstat: rename variables/functions about buddyinfo js1304
2017-01-13 7:14 ` [RFC PATCH 3/5] mm: introduce exponential moving average to unusable free index js1304
2017-01-19 12:52 ` Vlastimil Babka
2017-01-23 5:27 ` Joonsoo Kim
2017-01-13 7:14 ` [RFC PATCH 4/5] mm/vmstat: introduce /proc/fraginfo to get fragmentation stat stably js1304
2017-01-13 7:14 ` [RFC PATCH 5/5] mm/compaction: run the compaction whenever fragmentation ratio exceeds the threshold js1304
2017-01-19 13:39 ` Vlastimil Babka
2017-01-13 9:24 ` Michal Hocko [this message]
2017-01-17 0:48 ` [RFC PATCH 0/5] pro-active compaction Joonsoo Kim
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