From: Colin Cross <ccross@android.com>
Date: Fri, 13 Dec 2013 22:24:51 +0000 (-0800)
Subject: ion: index client->handles rbtree by buffer
X-Git-Tag: v3.14-rc1~150^2~400
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e1cf36823407751d1ad1168bc718cf5a0ac5dbf4;p=pandora-kernel.git

ion: index client->handles rbtree by buffer

The only remaining users of the client->handles rbtree are
iterating through it like a list.  Keep the rbtree, but change
its index to be the buffer address instead of the handle address,
which makes ion_handle_lookup a fast rbtree search.

Signed-off-by: Colin Cross <ccross@android.com>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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