linux-kernel - Re: [PATCH v2 10/13] mm/memory-failure: move some function declarations into internal.h

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Message-ID: <ZmKC0Z3omr04grkj@casper.infradead.org>
Date: Fri, 7 Jun 2024 04:47:29 +0100
From: Matthew Wilcox <willy@...radead.org>
To: Miaohe Lin <linmiaohe@...wei.com>
Cc: akpm@...ux-foundation.org, tony.luck@...el.com, bp@...en8.de,
	nao.horiguchi@...il.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org
Subject: Re: [PATCH v2 10/13] mm/memory-failure: move some function
 declarations into internal.h

On Thu, Jun 06, 2024 at 02:32:44PM +0800, Miaohe Lin wrote:
> +++ b/mm/internal.h
> @@ -1077,6 +1077,16 @@ extern u64 hwpoison_filter_flags_mask;
>  extern u64 hwpoison_filter_flags_value;
>  extern u64 hwpoison_filter_memcg;
>  extern u32 hwpoison_filter_enable;
> +#define MAGIC_HWPOISON	0x48575053U	/* HWPS */
> +extern void SetPageHWPoisonTakenOff(struct page *page);
> +extern void ClearPageHWPoisonTakenOff(struct page *page);
> +extern bool take_page_off_buddy(struct page *page);
> +extern bool put_page_back_buddy(struct page *page);

s/extern// for function declarations.