From: Rik van Riel <riel@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>,
Andrea Arcangeli <aarcange@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Johannes Weiner <hannes@cmpxchg.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/8] Use memory compaction instead of lumpy reclaim during high-order allocations
Date: Wed, 17 Nov 2010 21:03:43 -0500 [thread overview]
Message-ID: <4CE4897F.4020107@redhat.com> (raw)
In-Reply-To: <20101117154641.51fd7ce5.akpm@linux-foundation.org>
On 11/17/2010 06:46 PM, Andrew Morton wrote:
> On Wed, 17 Nov 2010 16:22:41 +0000
> Mel Gorman<mel@csn.ul.ie> wrote:
>> I'm hoping that this series also removes the
>> necessity for the "delete lumpy reclaim" patch from the THP tree.
>
> Now I'm sad. I read all that and was thinking "oh goody, we get to
> delete something for once". But no :(
>
> If you can get this stuff to work nicely, why can't we remove lumpy
> reclaim?
I seem to remember there being some resistance against
removing lumpy reclaim, but I do not remember from
where or why.
IMHO some code deletion would be nice :)
--
All rights reversed
WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>,
Andrea Arcangeli <aarcange@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Johannes Weiner <hannes@cmpxchg.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/8] Use memory compaction instead of lumpy reclaim during high-order allocations
Date: Wed, 17 Nov 2010 21:03:43 -0500 [thread overview]
Message-ID: <4CE4897F.4020107@redhat.com> (raw)
In-Reply-To: <20101117154641.51fd7ce5.akpm@linux-foundation.org>
On 11/17/2010 06:46 PM, Andrew Morton wrote:
> On Wed, 17 Nov 2010 16:22:41 +0000
> Mel Gorman<mel@csn.ul.ie> wrote:
>> I'm hoping that this series also removes the
>> necessity for the "delete lumpy reclaim" patch from the THP tree.
>
> Now I'm sad. I read all that and was thinking "oh goody, we get to
> delete something for once". But no :(
>
> If you can get this stuff to work nicely, why can't we remove lumpy
> reclaim?
I seem to remember there being some resistance against
removing lumpy reclaim, but I do not remember from
where or why.
IMHO some code deletion would be nice :)
--
All rights reversed
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next prev parent reply other threads:[~2010-11-18 2:04 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-17 16:22 [PATCH 0/8] Use memory compaction instead of lumpy reclaim during high-order allocations Mel Gorman
2010-11-17 16:22 ` Mel Gorman
2010-11-17 16:22 ` [PATCH 1/8] mm: compaction: Add trace events for memory compaction activity Mel Gorman
2010-11-17 16:22 ` Mel Gorman
2010-11-17 16:22 ` [PATCH 2/8] mm: vmscan: Convert lumpy_mode into a bitmask Mel Gorman
2010-11-17 16:22 ` Mel Gorman
2010-11-17 16:22 ` [PATCH 3/8] mm: vmscan: Reclaim order-0 and use compaction instead of lumpy reclaim Mel Gorman
2010-11-17 16:22 ` Mel Gorman
2010-11-18 18:09 ` Andrea Arcangeli
2010-11-18 18:09 ` Andrea Arcangeli
2010-11-18 18:30 ` Mel Gorman
2010-11-18 18:30 ` Mel Gorman
2010-11-17 16:22 ` [PATCH 4/8] mm: migration: Allow migration to operate asynchronously and avoid synchronous compaction in the faster path Mel Gorman
2010-11-17 16:22 ` Mel Gorman
2010-11-18 18:21 ` Andrea Arcangeli
2010-11-18 18:21 ` Andrea Arcangeli
2010-11-18 18:34 ` Mel Gorman
2010-11-18 18:34 ` Mel Gorman
2010-11-18 19:00 ` Andrea Arcangeli
2010-11-18 19:00 ` Andrea Arcangeli
2010-11-17 16:22 ` [PATCH 5/8] mm: migration: Cleanup migrate_pages API by matching types for offlining and sync Mel Gorman
2010-11-17 16:22 ` Mel Gorman
2010-11-17 16:22 ` [PATCH 6/8] mm: compaction: Perform a faster scan in try_to_compact_pages() Mel Gorman
2010-11-17 16:22 ` Mel Gorman
2010-11-18 18:34 ` Andrea Arcangeli
2010-11-18 18:34 ` Andrea Arcangeli
2010-11-18 18:50 ` Mel Gorman
2010-11-18 18:50 ` Mel Gorman
2010-11-18 19:08 ` Andrea Arcangeli
2010-11-18 19:08 ` Andrea Arcangeli
2010-11-19 11:16 ` Mel Gorman
2010-11-19 11:16 ` Mel Gorman
2010-11-17 16:22 ` [PATCH 7/8] mm: compaction: Use the LRU to get a hint on where compaction should start Mel Gorman
2010-11-17 16:22 ` Mel Gorman
2010-11-18 9:10 ` KAMEZAWA Hiroyuki
2010-11-18 9:10 ` KAMEZAWA Hiroyuki
2010-11-18 9:28 ` Mel Gorman
2010-11-18 9:28 ` Mel Gorman
2010-11-18 18:46 ` Andrea Arcangeli
2010-11-18 18:46 ` Andrea Arcangeli
2010-11-19 11:08 ` Mel Gorman
2010-11-19 11:08 ` Mel Gorman
2010-11-17 16:22 ` [PATCH 8/8] mm: vmscan: Rename lumpy_mode to reclaim_mode Mel Gorman
2010-11-17 16:22 ` Mel Gorman
2010-11-17 23:46 ` [PATCH 0/8] Use memory compaction instead of lumpy reclaim during high-order allocations Andrew Morton
2010-11-17 23:46 ` Andrew Morton
2010-11-18 2:03 ` Rik van Riel [this message]
2010-11-18 2:03 ` Rik van Riel
2010-11-18 8:12 ` Mel Gorman
2010-11-18 8:12 ` Mel Gorman
2010-11-18 8:26 ` KAMEZAWA Hiroyuki
2010-11-18 8:26 ` KAMEZAWA Hiroyuki
2010-11-18 8:38 ` Johannes Weiner
2010-11-18 8:38 ` Johannes Weiner
2010-11-18 9:20 ` Mel Gorman
2010-11-18 9:20 ` Mel Gorman
2010-11-18 19:49 ` Andrew Morton
2010-11-18 19:49 ` Andrew Morton
2010-11-19 10:48 ` Mel Gorman
2010-11-19 10:48 ` Mel Gorman
2010-11-19 12:43 ` Theodore Tso
2010-11-19 12:43 ` Theodore Tso
2010-11-19 14:05 ` Mel Gorman
2010-11-19 14:05 ` Mel Gorman
2010-11-19 15:45 ` Ted Ts'o
2010-11-19 15:45 ` Ted Ts'o
2010-11-18 8:44 ` Mel Gorman
2010-11-18 8:44 ` Mel Gorman
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