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

From: Laura Abbott
Date: Wed Feb 13 2019 - 13:27:39 EST


On 2/11/19 11:09 PM, Jing Xia wrote:
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;


This was already submitted in
https://lore.kernel.org/lkml/1549004386-38778-1-git-send-email-saberlily.xia@xxxxxxxxxxxxx/T/#u
(I'm also very behind on Ion e-mail and need to catch up...)

Laura