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From: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Davidlohr Bueso <dave-h16yJtLeMjHk1uMJSBkQmQ@public.gmane.org>,
	akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org
Cc: mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
	jack-AlSwsSmVLrQ@public.gmane.org,
	torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
	kirill.shutemov-VuQAYsv1563Yd54FQh9/CA@public.gmane.org,
	hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
	ldufour-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org,
	mhocko-IBi9RG/b67k@public.gmane.org,
	mgorman-3eNAlZScCAx27rWaFMvyedHuzzzSOjJt@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	David Airlie <airlied-cv59FeDIM0c@public.gmane.org>,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	"Michael S. Tsirkin"
	<mst-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Jason Wang <jasowang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Christian Benvenuti
	<benve-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
	linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Davidlohr Bueso <dbueso-l3A5Bk7waGM@public.gmane.org>
Subject: Re: [PATCH 11/17] lib/interval_tree: fast overlap detection
Date: Sat, 22 Jul 2017 13:52:28 -0400
Message-ID: <a1444ac4-623f-eded-83b3-76d76f2f54ce@redhat.com> (raw)
In-Reply-To: <20170719014603.19029-12-dave-h16yJtLeMjHk1uMJSBkQmQ@public.gmane.org>

[-- Attachment #1.1: Type: text/plain, Size: 1596 bytes --]

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>
    GPG Key ID: B826A3330E572FDD
    Key fingerprint = AE6B 1BDA 122B 23B4 265B  1274 B826 A333 0E57 2FDD


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  parent reply index

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20170719014603.19029-1-dave@stgolabs.net>
2017-07-19  1:45 ` Davidlohr Bueso
     [not found]   ` <20170719014603.19029-12-dave-h16yJtLeMjHk1uMJSBkQmQ@public.gmane.org>
2017-07-22 17:52     ` Doug Ledford [this message]
2017-08-01 17:16   ` Michael S. Tsirkin

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