[PATCH] staging: android: ion: Use low_order_gfp_flags for smaller allocations

From: Jing Xia
Date: Tue Feb 12 2019 - 02:10:16 EST


gfp_flags is always set high_order_gfp_flags even if allocations of
order 0 are made.But for smaller allocations, the system should be able
to reclaim some memory.

Signed-off-by: Jing Xia <jing.xia@xxxxxxxxxx>
Reviewed-by: Yuming Han <yuming.han@xxxxxxxxxx>
Reviewed-by: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>
Reviewed-by: Orson Zhai <orson.zhai@xxxxxxxxxx>
---
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 0383f75..20f2103 100644
--- a/drivers/staging/android/ion/ion_system_heap.c
+++ b/drivers/staging/android/ion/ion_system_heap.c
@@ -223,10 +223,10 @@ static void ion_system_heap_destroy_pools(struct ion_page_pool **pools)
static int ion_system_heap_create_pools(struct ion_page_pool **pools)
{
int i;
- gfp_t gfp_flags = low_order_gfp_flags;

for (i = 0; i < NUM_ORDERS; i++) {
struct ion_page_pool *pool;
+ gfp_t gfp_flags = low_order_gfp_flags;

if (orders[i] > 4)
gfp_flags = high_order_gfp_flags;
--
1.9.1