linux-kernel - [PATCH] staging: android: ion: fix sys heap pool's gfp

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Message-ID: <1549004386-38778-1-git-send-email-saberlily.xia@hisilicon.com>
Date:   Fri, 1 Feb 2019 14:59:46 +0800
From:   Qing Xia <saberlily.xia@...ilicon.com>
To:     <labbott@...hat.com>, <sumit.semwal@...aro.org>,
        <gregkh@...uxfoundation.org>, <arve@...roid.com>,
        <tkjos@...roid.com>, <maco@...roid.com>
CC:     <linaro-mm-sig@...ts.linaro.org>, <linux-kernel@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>, <devel@...verdev.osuosl.org>,
        <daniel.liuyi@...ilicon.com>, <yudongbin@...ilicon.com>,
        <kongfei@...ilicon.com>, <puck.chen@...ilicon.com>
Subject: [PATCH] staging: android: ion: fix sys heap pool's gfp_flags

In the first loop, gfp_flags will be modified to high_order_gfp_flags,
and there will be no chance to change back to low_order_gfp_flags.

Fixes: e7f63771 ("ION: Sys_heap: Add cached pool to spead up cached buffer alloc")
Signed-off-by: Qing Xia <saberlily.xia@...ilicon.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;
-- 
2.7.3