[PATCH v2 1/2] drm/locking: remove redundant __GFP_NOWARN

Qianfeng Rong posted 2 patches 1 month, 4 weeks ago
[PATCH v2 1/2] drm/locking: remove redundant __GFP_NOWARN
Posted by Qianfeng Rong 1 month, 4 weeks ago
GFP_NOWAIT already includes __GFP_NOWARN, so let's remove the redundant
__GFP_NOWARN.

Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
---
 drivers/gpu/drm/drm_modeset_lock.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c
index beb91a13a312..58eac20a8138 100644
--- a/drivers/gpu/drm/drm_modeset_lock.c
+++ b/drivers/gpu/drm/drm_modeset_lock.c
@@ -88,7 +88,7 @@ static noinline depot_stack_handle_t __drm_stack_depot_save(void)
 
 	n = stack_trace_save(entries, ARRAY_SIZE(entries), 1);
 
-	return stack_depot_save(entries, n, GFP_NOWAIT | __GFP_NOWARN);
+	return stack_depot_save(entries, n, GFP_NOWAIT);
 }
 
 static void __drm_stack_depot_print(depot_stack_handle_t stack_depot)
@@ -98,7 +98,7 @@ static void __drm_stack_depot_print(depot_stack_handle_t stack_depot)
 	unsigned int nr_entries;
 	char *buf;
 
-	buf = kmalloc(PAGE_SIZE, GFP_NOWAIT | __GFP_NOWARN);
+	buf = kmalloc(PAGE_SIZE, GFP_NOWAIT);
 	if (!buf)
 		return;
 
-- 
2.34.1
Re: [PATCH v2 1/2] drm/locking: remove redundant __GFP_NOWARN
Posted by Jani Nikula 1 month, 4 weeks ago
On Thu, 07 Aug 2025, Qianfeng Rong <rongqianfeng@vivo.com> wrote:
> GFP_NOWAIT already includes __GFP_NOWARN, so let's remove the redundant
> __GFP_NOWARN.
>
> Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>

Reviewed-by: Jani Nikula <jani.nikula@intel.com>

> ---
>  drivers/gpu/drm/drm_modeset_lock.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c
> index beb91a13a312..58eac20a8138 100644
> --- a/drivers/gpu/drm/drm_modeset_lock.c
> +++ b/drivers/gpu/drm/drm_modeset_lock.c
> @@ -88,7 +88,7 @@ static noinline depot_stack_handle_t __drm_stack_depot_save(void)
>  
>  	n = stack_trace_save(entries, ARRAY_SIZE(entries), 1);
>  
> -	return stack_depot_save(entries, n, GFP_NOWAIT | __GFP_NOWARN);
> +	return stack_depot_save(entries, n, GFP_NOWAIT);
>  }
>  
>  static void __drm_stack_depot_print(depot_stack_handle_t stack_depot)
> @@ -98,7 +98,7 @@ static void __drm_stack_depot_print(depot_stack_handle_t stack_depot)
>  	unsigned int nr_entries;
>  	char *buf;
>  
> -	buf = kmalloc(PAGE_SIZE, GFP_NOWAIT | __GFP_NOWARN);
> +	buf = kmalloc(PAGE_SIZE, GFP_NOWAIT);
>  	if (!buf)
>  		return;

-- 
Jani Nikula, Intel