linux-kernel - [PATCH 013/115] gpu: ion: ion_system_heap: Change allocations to GFP

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Date:	Fri, 13 Dec 2013 14:23:47 -0800
From:	John Stultz <john.stultz@...aro.org>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Android Kernel Team <kernel-team@...roid.com>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	Jesse Barker <jesse.barker@....com>,
	Colin Cross <ccross@...roid.com>,
	Rebecca Schultz Zavin <rebecca@...roid.com>,
	John Stultz <john.stultz@...aro.org>
Subject: [PATCH 013/115] gpu: ion: ion_system_heap: Change allocations to GFP_HIGHUSER

From: Rebecca Schultz Zavin <rebecca@...roid.com>

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.

Signed-off-by: Rebecca Schultz Zavin <rebecca@...roid.com>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: John Stultz <john.stultz@...aro.org>
---
 drivers/staging/android/ion/ion_system_heap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c
index 3383a88..35b3726 100644
--- a/drivers/staging/android/ion/ion_system_heap.c
+++ b/drivers/staging/android/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);
-- 
1.8.3.2

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