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| author | Rebecca Schultz Zavin <rebecca@android.com> | 2013-02-13 14:48:11 -0800 |
|---|---|---|
| committer | Arve Hjønnevåg <arve@android.com> | 2013-07-01 14:16:22 -0700 |
| commit | 7533724d29d13cde4f8b839ec066c5941a6674c8 (patch) | |
| tree | f4e4fd4ab3a1bf0b014ff10e83f3d3d803f2d7c0 /drivers/gpu/ion/ion_system_heap.c | |
| parent | 0c5363f6a0a89952b0d0072ff4e4c3bd042add9a (diff) | |
| download | olio-linux-3.10-7533724d29d13cde4f8b839ec066c5941a6674c8.tar.xz olio-linux-3.10-7533724d29d13cde4f8b839ec066c5941a6674c8.zip | |
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: Idfdbc8608b6cbd9e27d2e31ea4fd84fea9f69f7d
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
Diffstat (limited to 'drivers/gpu/ion/ion_system_heap.c')
| -rw-r--r-- | drivers/gpu/ion/ion_system_heap.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/ion/ion_system_heap.c b/drivers/gpu/ion/ion_system_heap.c index c1061a801a4..6369fe8f305 100644 --- a/drivers/gpu/ion/ion_system_heap.c +++ b/drivers/gpu/ion/ion_system_heap.c @@ -283,6 +283,7 @@ struct ion_heap *ion_system_heap_create(struct ion_platform_heap *unused) return ERR_PTR(-ENOMEM); heap->heap.ops = &system_heap_ops; heap->heap.type = ION_HEAP_TYPE_SYSTEM; + heap->heap.flags = ION_HEAP_FLAG_DEFER_FREE; heap->pools = kzalloc(sizeof(struct ion_page_pool *) * num_orders, GFP_KERNEL); if (!heap->pools) |