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From: Chen Feng <puck.chen@hisilicon.com>
To: Qing Xia <saberlily.xia@hisilicon.com>,
	labbott@redhat.com, sumit.semwal@linaro.org,
	gregkh@linuxfoundation.org, arve@android.com, tkjos@android.com,
	maco@android.com
Cc: linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org, devel@driverdev.osuosl.org,
	daniel.liuyi@hisilicon.com, yudongbin@hisilicon.com,
	kongfei@hisilicon.com
Subject: Re: [PATCH] staging: android: ion: fix sys heap pool's gfp_flags
Date: Fri, 1 Feb 2019 15:55:15 +0800	[thread overview]
Message-ID: <5C53FB63.8040502@hisilicon.com> (raw)
In-Reply-To: <1549004386-38778-1-git-send-email-saberlily.xia@hisilicon.com>

Thanks.

On 2019/2/1 14:59, Qing Xia wrote:
> 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@hisilicon.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;
> 

-- 
Cheers,
- Feng

WARNING: multiple messages have this Message-ID (diff)
From: Chen Feng <puck.chen@hisilicon.com>
To: Qing Xia <saberlily.xia@hisilicon.com>, <labbott@redhat.com>,
	<sumit.semwal@linaro.org>, <gregkh@linuxfoundation.org>,
	<arve@android.com>, <tkjos@android.com>, <maco@android.com>
Cc: <linaro-mm-sig@lists.linaro.org>, <linux-kernel@vger.kernel.org>,
	<dri-devel@lists.freedesktop.org>, <devel@driverdev.osuosl.org>,
	<daniel.liuyi@hisilicon.com>, <yudongbin@hisilicon.com>,
	<kongfei@hisilicon.com>
Subject: Re: [PATCH] staging: android: ion: fix sys heap pool's gfp_flags
Date: Fri, 1 Feb 2019 15:55:15 +0800	[thread overview]
Message-ID: <5C53FB63.8040502@hisilicon.com> (raw)
In-Reply-To: <1549004386-38778-1-git-send-email-saberlily.xia@hisilicon.com>

Thanks.

On 2019/2/1 14:59, Qing Xia wrote:
> 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@hisilicon.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;
> 

-- 
Cheers,
- Feng


  reply	other threads:[~2019-02-01  7:55 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-01  6:59 [PATCH] staging: android: ion: fix sys heap pool's gfp_flags Qing Xia
2019-02-01  6:59 ` Qing Xia
2019-02-01  7:55 ` Chen Feng [this message]
2019-02-01  7:55   ` Chen Feng
2019-02-01  8:15 ` Dan Carpenter
2019-02-01  8:15   ` Dan Carpenter
2019-02-01  8:30   ` Xiaqing (A)
2019-02-01  8:30     ` Xiaqing (A)
2019-02-19 21:18 ` Laura Abbott

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