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

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Date:   Fri, 9 Sep 2022 13:32:11 +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 10/16] mm, memory_hotplug: remove obsolete
 generic_free_nodedata()

On 09.09.22 11:24, 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>
> ---
>   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)
>   {
>   }


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

David / dhildenb