Re: [PATCH 1/8] mm, hugetlb: unify region structure handling

[Naoya Horiguchi]

On Sun, Jan 26, 2014 at 07:52:19PM -0800, Davidlohr Bueso wrote:
> From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
> 
> Currently, to track reserved and allocated regions, we use two different
> ways, depending on the mapping. For MAP_SHARED, we use address_mapping's
> private_list and, while for MAP_PRIVATE, we use a resv_map.
> 
> Now, we are preparing to change a coarse grained lock which protect a
> region structure to fine grained lock, and this difference hinder it.
> So, before changing it, unify region structure handling, consistently
> using a resv_map regardless of the kind of mapping.
> 
> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
> [Updated changelog]
> Signed-off-by: Davidlohr Bueso <davidlohr@xxxxxx>

Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
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