Re: [PATCH] mm: compaction: Correct the nr_strict_isolated checkfor CMA

From: Rik van Riel
Date: Tue Oct 16 2012 - 08:52:18 EST

On 10/16/2012 04:39 AM, Mel Gorman wrote:
Thierry reported that the "iron out" patch for isolate_freepages_block()
had problems due to the strict check being too strict with "mm: compaction:
Iron out isolate_freepages_block() and isolate_freepages_range() -fix1".
It's possible that more pages than necessary are isolated but the check
still fails and I missed that this fix was not picked up before RC1. This
same problem has been identified in 3.7-RC1 by Tony Prisk and should be
addressed by the following patch.

Signed-off-by: Mel Gorman <mgorman@xxxxxxx>
Tested-by: Tony Prisk <linux@xxxxxxxxxxxxxxx>

Acked-by: Rik van Riel <riel@xxxxxxxxxx>

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