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

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Message-ID: <YyKtpJjTxL9DHv+V@localhost.localdomain>
Date:   Thu, 15 Sep 2022 06:44:20 +0200
From:   Oscar Salvador <osalvador@...e.de>
To:     Miaohe Lin <linmiaohe@...wei.com>
Cc:     akpm@...ux-foundation.org, david@...hat.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/16] mm: remove obsolete macro NR_PCP_ORDER_MASK

On Fri, Sep 09, 2022 at 05:24:38PM +0800, 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>

with the changes from Matthew applied:

Reviewed-by: Oscar Salvador <osalvador@...e.de>

> ---
>  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)
> -- 
> 2.23.0
> 
> 

-- 
Oscar Salvador
SUSE Labs