Re: [PATCH -V2 1/9] mm: move hugetlbfs region tracking function tocommon code

[Andrew Morton]

On Thu,  1 Mar 2012 14:46:12 +0530
"Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> wrote:

> This patch moves the hugetlbfs region tracking function to
> common code. We will be using this in later patches in the
> series.
> 
> ...
>
> +struct file_region {
> +	struct list_head link;
> +	long from;
> +	long to;
> +};

Both Andrea Righi and John Stultz are working on (more sophisticated)
versions of file region tracking code.  And we already have a (poor)
implementation in fs/locks.c.

That's four versions of the same thing floating around the place.  This
is nutty.
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