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Message-ID: <d20088b4-641f-2c33-7276-2eabc2833eb0@redhat.com>
Date:   Fri, 9 Sep 2022 13:37:01 +0200
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Subject: Re: [PATCH 14/16] mm/page_alloc: use costly_order in
 WARN_ON_ONCE_GFP()
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To:     Miaohe Lin <linmiaohe@huawei.com>, akpm@linux-foundation.org
Cc:     osalvador@suse.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org
References: <20220909092451.24883-1-linmiaohe@huawei.com>
 <20220909092451.24883-15-linmiaohe@huawei.com>
From:   David Hildenbrand <david@redhat.com>
Organization: Red Hat
In-Reply-To: <20220909092451.24883-15-linmiaohe@huawei.com>
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On 09.09.22 11:24, 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@huawei.com>
> ---
>   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

Reviewed-by: David Hildenbrand <david@redhat.com>

-- 
Thanks,

David / dhildenb