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Message-ID: <20221007043437.GA3236835@hori.linux.bs1.fc.nec.co.jp>
Date:   Fri, 7 Oct 2022 04:34:38 +0000
From:   HORIGUCHI NAOYA(堀口 直也) 
        <naoya.horiguchi@....com>
To:     Naoya Horiguchi <naoya.horiguchi@...ux.dev>
CC:     "linux-mm@...ck.org" <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Miaohe Lin <linmiaohe@...wei.com>,
        David Hildenbrand <david@...hat.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Yang Shi <shy828301@...il.com>,
        Oscar Salvador <osalvador@...e.de>,
        Muchun Song <songmuchun@...edance.com>,
        Jane Chu <jane.chu@...cle.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 4/4] mm/hwpoison: introduce per-memory_block hwpoison
 counter

On Fri, Oct 07, 2022 at 10:07:06AM +0900, Naoya Horiguchi wrote:
...
> diff --git a/drivers/base/memory.c b/drivers/base/memory.c
> index 9aa0da991cfb..5d00d8a14c79 100644
> --- a/drivers/base/memory.c
> +++ b/drivers/base/memory.c
> @@ -175,6 +175,17 @@ int memory_notify(unsigned long val, void *v)
>  	return blocking_notifier_call_chain(&memory_chain, val, v);
>  }
>  
> +#if defined(CONFIG_MEMORY_FAILURE) && defined(CONFIG_MEMORY_HOTPLUG)

> +void memblk_nr_poison_inc(unsigned long pfn);
> +void memblk_nr_poison_sub(unsigned long pfn, long i);

Sorry again, these prototypes should not be necessary. I'll remove these
when I need resubmit the patch series.

It seems that scripts/checkpatch.pl shows the following warning by these.

  WARNING: externs should be avoided in .c files
  #59: FILE: drivers/base/memory.c:180:
  +void memblk_nr_poison_sub(unsigned long pfn, long i);

This disappears by removing the prototypes.

Thanks,
Naoya Horiguchi

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