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References: <1262795169-9095-1-git-send-email-mel@csn.ul.ie>
	 <1262795169-9095-3-git-send-email-mel@csn.ul.ie>
Date: Wed, 6 Jan 2010 15:21:01 -0800
Message-ID: <eada2a071001061521t53dff44bkaf54dab058b1d01b@mail.gmail.com>
Subject: Re: [PATCH 2/7] Export unusable free space index via 
	/proc/pagetypeinfo
From: Tim Pepper <lnxninja@linux.vnet.ibm.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
       Christoph Lameter <cl@linux-foundation.org>,
       Adam Litke <agl@us.ibm.com>, Avi Kivity <avi@redhat.com>,
       linux-kernel@vger.kernel.org, linux-mm@kvack.org
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On Wed, Jan 6, 2010 at 8:26 AM, Mel Gorman <mel@csn.ul.ie> wrote:
>
> diff --git a/mm/vmstat.c b/mm/vmstat.c
> index 6051fba..e1ea2d5 100644
> --- a/mm/vmstat.c
> +++ b/mm/vmstat.c
> @@ -451,6 +451,104 @@ static int frag_show(struct seq_file *m, void *arg)
> ? ? ? ?return 0;
> ?}
>
> +
> +struct config_page_info {
> + ? ? ? unsigned long free_pages;
> + ? ? ? unsigned long free_blocks_total;
> + ? ? ? unsigned long free_blocks_suitable;
> +};
> +
> +/*
> + * Calculate the number of free pages in a zone, how many contiguous
> + * pages are free and how many are large enough to satisfy an allocation of
> + * the target size. Note that this function makes to attempt to estimate

s/makes to/makes no/    ?


Tim
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