linux-kernel - Re: [PATCH 07/14] mm/memory_hotplug: Fix kerneldoc comment for __try_online

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Date:   Thu, 20 May 2021 12:42:34 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Mel Gorman <mgorman@...hsingularity.net>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Michal Hocko <mhocko@...nel.org>, Vlastimil Babka <vbabka@...e.cz>,
        Dan Streetman <ddstreet@...e.org>,
        Yang Shi <shy828301@...il.com>, Linux-MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 07/14] mm/memory_hotplug: Fix kerneldoc comment for
 __try_online_node

On 20.05.21 10:48, Mel Gorman wrote:
> make W=1 generates the following warning for try_online_node
> 
> mm/memory_hotplug.c:1087: warning: expecting prototype for try_online_node(). Prototype was for __try_online_node() instead
> 
> Commit b9ff036082cd ("mm/memory_hotplug.c: make add_memory_resource use
> __try_online_node") renamed the function but did not update the associated
> kerneldoc. The function is static and somewhat specialised in nature
> so it's not clear it warrants being a kerneldoc by moving the comment
> to try_online_node. Hence, leave the comment of the internal helper in
> place but leave it out of kerneldoc and correct the function name in
> the comment.
> 
> Fixes: Commit b9ff036082cd ("mm/memory_hotplug.c: make add_memory_resource use __try_online_node")
> Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
> ---
>   mm/memory_hotplug.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> index 70620d0dd923..e3266be1d020 100644
> --- a/mm/memory_hotplug.c
> +++ b/mm/memory_hotplug.c
> @@ -1072,8 +1072,8 @@ static void rollback_node_hotadd(int nid)
>   }
>   
>   
> -/**
> - * try_online_node - online a node if offlined
> +/*
> + * __try_online_node - online a node if offlined
>    * @nid: the node ID
>    * @set_node_online: Whether we want to online the node
>    * called by cpu_up() to online a node without onlined memory.
> 

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

-- 
Thanks,

David / dhildenb