tree 884441e0311998431919aabe0166311198ce4bf5
parent 748c11df420931c564a68b5da657599ae4e4deb4
author Rebecca Schultz Zavin <rebecca@android.com> 1360795691 -0800
committer Laura Abbott <lauraa@codeaurora.org> 1366135914 -0700

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.

Change-Id: Id16ad870355a8099be26084b51feb3d622d15ced
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
Git-commit: 4e9ef397ec3cfb04b64f165d40dcf1b501415718
Git-repo: https://android.googlesource.com/kernel/common
[lauraa@codeaurora.org: Fixup context differences due to
addition of CMA heap and delayed unsecure]
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>