linux-kernel - Re: [PATCH 03/16] mm: remove obsolete macro NR_PCP_ORDER

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Date:   Fri, 9 Sep 2022 13:26:51 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Miaohe Lin <linmiaohe@...wei.com>, akpm@...ux-foundation.org
Cc:     osalvador@...e.de, linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/16] mm: remove obsolete macro NR_PCP_ORDER_MASK

On 09.09.22 11:24, Miaohe Lin wrote:
> Since commit 8b10b465d0e1 ("mm/page_alloc: free pages in a single pass
> during bulk free"), it's not used anymore. Remove it.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
> ---
>   include/linux/mmzone.h | 1 -
>   1 file changed, 1 deletion(-)
> 
> diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
> index d907a29cc429..6950179a20a2 100644
> --- a/include/linux/mmzone.h
> +++ b/include/linux/mmzone.h
> @@ -569,7 +569,6 @@ enum zone_watermarks {
>    * in the least significant bits.
>    */
>   #define NR_PCP_ORDER_WIDTH 8
> -#define NR_PCP_ORDER_MASK ((1<<NR_PCP_ORDER_WIDTH) - 1)
>   
>   #define min_wmark_pages(z) (z->_watermark[WMARK_MIN] + z->watermark_boost)
>   #define low_wmark_pages(z) (z->_watermark[WMARK_LOW] + z->watermark_boost)

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

-- 
Thanks,

David / dhildenb