From b15934b62d959ddc75f7a85fa2a721bea28756b6 Mon Sep 17 00:00:00 2001
From: Rebecca Schultz Zavin <rebecca@android.com>
Date: Fri, 13 Dec 2013 14:23:41 -0800
Subject: [PATCH] gpu: ion: Use alloc_pages instead of vmalloc from the system
 heap

With this change the ion_system_heap will only use kernel address
space when the memory is mapped into the kernel (rare case).

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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