From a3056906bfb98d10618122bc2ba7d142a61fcaf1 Mon Sep 17 00:00:00 2001
From: Colin Cross <ccross@android.com>
Date: Fri, 13 Dec 2013 19:26:25 -0800
Subject: [PATCH] ion: remove ion_heap_alloc_pages

Now that ion_vm_fault doesn't need a struct page with a nonzero
refcount, there is no need allocate heap memory for cached pages using
split_page.  Remove the ion_heap_alloc_pages and ion_heap_free_pages
helpers in favor of direct calls to alloc_pages and __free_pages,
and remove the special handling in the system heap.

Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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