Re: [patch] mm, compaction: determine isolation mode only once

[Rik van Riel]

On 03/07/2014 07:01 AM, David Rientjes wrote:
> The conditions that control the isolation mode in 
> isolate_migratepages_range() do not change during the iteration, so 
> extract them out and only define the value once.
> 
> This actually does have an effect, gcc doesn't optimize it itself because 
> of cc->sync.
> 
> Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>

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

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