linux-kernel - Re: [PATCH -mm] enable CONFIG

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Message-ID: <20120913204408.GA10671@optiplex.redhat.com>
Date:	Thu, 13 Sep 2012 17:44:09 -0300
From:	Rafael Aquini <aquini@...hat.com>
To:	Rik van Riel <riel@...hat.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Mel Gorman <mel@....ul.ie>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH -mm] enable CONFIG_COMPACTION by default

On Thu, Sep 13, 2012 at 04:21:04PM -0400, Rik van Riel wrote:
> Now that lumpy reclaim has been removed, compaction is the
> only way left to free up contiguous memory areas. It is time
> to just enable CONFIG_COMPACTION by default.
>     
> Signed-off-by: Rik van Riel <riel@...hat.com>
> 
> diff --git a/mm/Kconfig b/mm/Kconfig
> index d5c8019..32ea0ef 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -191,6 +191,7 @@ config SPLIT_PTLOCK_CPUS
>  # support for memory compaction
>  config COMPACTION
>  	bool "Allow for memory compaction"
> +	def_bool y
>  	select MIGRATION
>  	depends on MMU
>  	help
>

Acked-by: Rafael Aquini <aquini@...hat.com> 

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