On 7/18/2017 9:45 PM, Davidlohr Bueso wrote:
> Allow interval trees to quickly check for overlaps to avoid
> unnecesary tree lookups in interval_tree_iter_first().
> 
> As of this patch, all interval tree flavors will require
> using a 'rb_root_cached' such that we can have the leftmost
> node easily available. While most users will make use of this
> feature, those with special functions (in addition to the generic
> insert, delete, search calls) will avoid using the cached
> option as they can do funky things with insertions -- for example,
> vma_interval_tree_insert_after().
> 
> Cc: David Airlie <airlied-cv59FeDIM0c@public.gmane.org>
> Cc: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
> Cc: "Michael S. Tsirkin" <mst-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> Cc: Jason Wang <jasowang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> Cc: Christian Benvenuti <benve-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
> Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Acked-by: Christian König <christian.koenig-5C7GfCeVMHo@public.gmane.org>
> Acked-by: Peter Zijlstra (Intel) <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
> Signed-off-by: Davidlohr Bueso <dbueso-l3A5Bk7waGM@public.gmane.org>

Ack for the RDMA parts.

Acked-by: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>


-- 
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
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