From: Rik van Riel <riel@redhat.com>
To: Hillf Danton <dhillf@gmail.com>
Cc: linux-mm@kvack.org, lkml <linux-kernel@vger.kernel.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Mel Gorman <mel@csn.ul.ie>, Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
Minchan Kim <minchan.kim@gmail.com>
Subject: Re: [PATCH v3 -mm 1/3] mm: reclaim at order 0 when compaction is enabled
Date: Fri, 27 Jan 2012 11:35:02 -0500 [thread overview]
Message-ID: <4F22D236.4@redhat.com> (raw)
In-Reply-To: <CAJd=RBB=MDiYLVSYJj8d8NfBZp+OU0Lf3-W5+xZUqj0J1JA4cQ@mail.gmail.com>
On 01/27/2012 04:13 AM, Hillf Danton wrote:
>> @@ -1195,7 +1195,7 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan,
>> BUG();
>> }
>>
>> - if (!order)
>> + if (!sc->order || !(sc->reclaim_mode& RECLAIM_MODE_LUMPYRECLAIM))
>> continue;
>>
> Just a tiny advice 8-)
>
> mind to move checking lumpy reclaim out of the loop,
> something like
Hehe, I made the change the way it is on request
of Mel Gorman :)
I don't particularly care either way and will be
happy to make the code whichever way people prefer.
Just let me know.
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WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Hillf Danton <dhillf@gmail.com>
Cc: linux-mm@kvack.org, lkml <linux-kernel@vger.kernel.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Mel Gorman <mel@csn.ul.ie>, Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
Minchan Kim <minchan.kim@gmail.com>
Subject: Re: [PATCH v3 -mm 1/3] mm: reclaim at order 0 when compaction is enabled
Date: Fri, 27 Jan 2012 11:35:02 -0500 [thread overview]
Message-ID: <4F22D236.4@redhat.com> (raw)
In-Reply-To: <CAJd=RBB=MDiYLVSYJj8d8NfBZp+OU0Lf3-W5+xZUqj0J1JA4cQ@mail.gmail.com>
On 01/27/2012 04:13 AM, Hillf Danton wrote:
>> @@ -1195,7 +1195,7 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan,
>> BUG();
>> }
>>
>> - if (!order)
>> + if (!sc->order || !(sc->reclaim_mode& RECLAIM_MODE_LUMPYRECLAIM))
>> continue;
>>
> Just a tiny advice 8-)
>
> mind to move checking lumpy reclaim out of the loop,
> something like
Hehe, I made the change the way it is on request
of Mel Gorman :)
I don't particularly care either way and will be
happy to make the code whichever way people prefer.
Just let me know.
--
All rights reversed
next prev parent reply other threads:[~2012-01-27 16:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-26 19:54 [PATCH v3 -mm 0/3] kswapd vs compaction improvements Rik van Riel
2012-01-26 19:54 ` Rik van Riel
2012-01-26 19:59 ` [PATCH v3 -mm 1/3] mm: reclaim at order 0 when compaction is enabled Rik van Riel
2012-01-26 19:59 ` Rik van Riel
2012-01-27 9:13 ` Hillf Danton
2012-01-27 9:13 ` Hillf Danton
2012-01-27 16:35 ` Rik van Riel [this message]
2012-01-27 16:35 ` Rik van Riel
2012-01-30 10:26 ` Mel Gorman
2012-01-30 10:26 ` Mel Gorman
2012-01-27 23:31 ` Andrew Morton
2012-01-27 23:31 ` Andrew Morton
2012-01-29 13:25 ` Hillf Danton
2012-01-29 13:25 ` Hillf Danton
2012-01-30 10:36 ` Mel Gorman
2012-01-30 10:36 ` Mel Gorman
2012-01-26 19:59 ` [PATCH v3 -mm 2/3] mm: kswapd carefully call compaction Rik van Riel
2012-01-26 19:59 ` Rik van Riel
2012-01-27 23:36 ` Andrew Morton
2012-01-27 23:36 ` Andrew Morton
2012-01-26 20:01 ` [PATCH v3 -mm 3/3] mm: only defer compaction for failed order and higher Rik van Riel
2012-01-26 20:01 ` Rik van Riel
2012-01-30 10:47 ` Mel Gorman
2012-01-30 10:47 ` Mel Gorman
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