gpu: ion: ion_system_heap: Change allocations to GFP_HIGHUSER

Previously the ion_system_heap was using GFP_KERNEL, forcing all allocations
to be in lowmem.  This quickly causes us to run out of lowmem.

Change-Id: I6d502a5f1c20c8a8e44fb5903fcb228f8435a564
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>

diff --git a/drivers/gpu/ion/ion_system_heap.c b/drivers/gpu/ion/ion_system_heap.c
index 116e9231a6b49b473c7f9fb3fe38edcc9785269a..e1f2e71287d35c5fa564afd12119edd7cbe15e79 100644 (file)
--- a/drivers/gpu/ion/ion_system_heap.c
+++ b/drivers/gpu/ion/ion_system_heap.c
@@ -40,7 +40,7 @@ static int ion_system_heap_allocate(struct ion_heap *heap,
                goto err0;
        for_each_sg(table->sgl, sg, table->nents, i) {
                struct page *page;
-               page = alloc_page(GFP_KERNEL);
+               page = alloc_page(GFP_HIGHUSER | __GFP_ZERO);
                if (!page)
                        goto err1;
                sg_set_page(sg, page, PAGE_SIZE, 0);