Re: [PATCH 14/16] mm/page_alloc: use costly_order in WARN_ON_ONCE_GFP()

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On Fri, Sep 09, 2022 at 05:24:49PM +0800, Miaohe Lin wrote:
> There's no need to check whether order > PAGE_ALLOC_COSTLY_ORDER again.
> Minor readability improvement.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>

> ---
>  mm/page_alloc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 63ad25e86010..262e8972e019 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -5272,7 +5272,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
>  		 * so that we can identify them and convert them to something
>  		 * else.
>  		 */
> -		WARN_ON_ONCE_GFP(order > PAGE_ALLOC_COSTLY_ORDER, gfp_mask);
> +		WARN_ON_ONCE_GFP(costly_order, gfp_mask);
>  
>  		/*
>  		 * Help non-failing allocations by giving them access to memory
> -- 
> 2.23.0
> 

-- 
Oscar Salvador
SUSE Labs




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