linux-kernel - Re: [PATCH 10/16] mm, memory_hotplug: remove obsolete generic_free

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Date:   Thu, 15 Sep 2022 09:37:20 +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 10/16] mm, memory_hotplug: remove obsolete
 generic_free_nodedata()

On Fri, Sep 09, 2022 at 05:24:45PM +0800, Miaohe Lin wrote:
> Commit 390511e1476e ("mm, memory_hotplug: drop arch_free_nodedata")
> drops the last caller of generic_free_nodedata(). Remove it too.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>

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

> ---
>  include/linux/memory_hotplug.h | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
> index 51052969dbfe..9fcbf5706595 100644
> --- a/include/linux/memory_hotplug.h
> +++ b/include/linux/memory_hotplug.h
> @@ -43,11 +43,6 @@ extern void arch_refresh_nodedata(int nid, pg_data_t *pgdat);
>  ({								\
>  	memblock_alloc(sizeof(*pgdat), SMP_CACHE_BYTES);	\
>  })
> -/*
> - * This definition is just for error path in node hotadd.
> - * For node hotremove, we have to replace this.
> - */
> -#define generic_free_nodedata(pgdat)	kfree(pgdat)
>  
>  extern pg_data_t *node_data[];
>  static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat)
> @@ -63,9 +58,6 @@ static inline pg_data_t *generic_alloc_nodedata(int nid)
>  	BUG();
>  	return NULL;
>  }
> -static inline void generic_free_nodedata(pg_data_t *pgdat)
> -{
> -}
>  static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat)
>  {
>  }
> -- 
> 2.23.0
> 

-- 
Oscar Salvador
SUSE Labs