From: Rebecca Schultz Zavin <rebecca@android.com>
Date: Fri, 13 Dec 2013 22:24:35 +0000 (-0800)
Subject: gpu: ion: Make ion_free asynchronous
X-Git-Tag: v3.14-rc1~150^2~416
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fe2faea7003516dd615812f663b6a9b141b842ce;p=pandora-kernel.git

gpu: ion: Make ion_free asynchronous

Add the ability for a heap to free buffers asynchrounously.  Freed buffers
are placed on a free list and freed from a low priority background thread.
If allocations from a particular heap fail, the free list is drained.  This
patch also enable asynchronous frees from the chunk heap.

Signed-off-by: Rebecca Schultz Zavin <rebecca@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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