linux-kernel - [PATCH] staging: android: ion: Use low_order_gfp

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Date:   Tue, 12 Feb 2019 15:09:26 +0800
From:   Jing Xia <jing.xia.mail@...il.com>
To:     labbott@...hat.com, sumit.semwal@...aro.org,
        gregkh@...uxfoundation.org, arve@...roid.com, tkjos@...roid.com,
        maco@...roid.com, joel@...lfernandes.org, christian@...uner.io,
        puck.chen@...ilicon.com
Cc:     devel@...verdev.osuosl.org, dri-devel@...ts.freedesktop.org,
        linaro-mm-sig@...ts.linaro.org, linux-kernel@...r.kernel.org,
        jing.xia.mail@...il.com, yuming.han@...soc.com,
        zhaoyang.huang@...soc.com, orson.zhai@...soc.com,
        wenan.hu@...soc.com
Subject: [PATCH] staging: android: ion: Use low_order_gfp_flags for smaller allocations

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@...soc.com>
Reviewed-by: Yuming Han <yuming.han@...soc.com>
Reviewed-by: Zhaoyang Huang <zhaoyang.huang@...soc.com>
Reviewed-by: Orson Zhai <orson.zhai@...soc.com>
---
 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