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Date: Wed, 05 Jun 2013 16:24:49 -0400
From: Rik van Riel <riel@redhat.com>
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Subject: Re: [PATCH 6/7] mm: compaction: export compact_zone_order()
References: <1370445037-24144-1-git-send-email-aarcange@redhat.com> <1370445037-24144-7-git-send-email-aarcange@redhat.com>
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To: Andrea Arcangeli <aarcange@redhat.com>
Cc: linux-mm@kvack.org, Mel Gorman <mgorman@suse.de>, Hugh Dickins <hughd@google.com>, Richard Davies <richard@arachsys.com>, Shaohua Li <shli@kernel.org>, Rafael Aquini <aquini@redhat.com>

On 06/05/2013 11:10 AM, Andrea Arcangeli wrote:
> Needed by zone_reclaim_mode compaction-awareness.

> @@ -79,6 +82,12 @@ static inline unsigned long try_to_compact_pages(struct zonelist *zonelist,
>   	return COMPACT_CONTINUE;
>   }
>
> +static inline unsigned long compact_zone_order(struct zone *zone,
> +					       int order, gfp_t gfp_mask,
> +					       bool sync, bool *contended)
> +{
> +}

An unsigned long function should probably return something.


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