linux-kernel - Re: [PATCH v2] memblock: Anonotate memblock_is_reserved() with __init

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Message-Id: <20181203174642.GD26700@rapoport-lnx>
Date:   Mon, 3 Dec 2018 19:46:43 +0200
From:   Mike Rapoport <rppt@...ux.ibm.com>
To:     Yueyi Li <liyueyi@...e.com>
Cc:     "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "mhocko@...e.com" <mhocko@...e.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] memblock: Anonotate memblock_is_reserved() with
 __init_memblock.

On Mon, Dec 03, 2018 at 04:00:08AM +0000, Yueyi Li wrote:
> Found warning:
> 
> WARNING: EXPORT symbol "gsi_write_channel_scratch" [vmlinux] version generation failed, symbol will not be versioned.
> WARNING: vmlinux.o(.text+0x1e0a0): Section mismatch in reference from the function valid_phys_addr_range() to the function .init.text:memblock_is_reserved()
> The function valid_phys_addr_range() references
> the function __init memblock_is_reserved().
> This is often because valid_phys_addr_range lacks a __init
> annotation or the annotation of memblock_is_reserved is wrong.
> 
> Use __init_memblock instead of __init.
> 
> Signed-off-by: liyueyi <liyueyi@...e.com>

Acked-by: Mike Rapoport <rppt@...ux.ibm.com>

> ---
> 
>  Changes v2: correct typo in 'warning'.
> 
>  mm/memblock.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/memblock.c b/mm/memblock.c
> index 9a2d5ae..81ae63c 100644
> --- a/mm/memblock.c
> +++ b/mm/memblock.c
> @@ -1727,7 +1727,7 @@ static int __init_memblock memblock_search(struct memblock_type *type, phys_addr
>  	return -1;
>  }
>  
> -bool __init memblock_is_reserved(phys_addr_t addr)
> +bool __init_memblock memblock_is_reserved(phys_addr_t addr)
>  {
>  	return memblock_search(&memblock.reserved, addr) != -1;
>  }
> -- 
> 2.7.4
> 

-- 
Sincerely yours,
Mike.