linux-kernel - Re: [PATCH] sh: mm: Fix build error

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Message-ID: <20200414080807.78ac80d0@canb.auug.org.au>
Date:   Tue, 14 Apr 2020 08:08:07 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>, linux-sh@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Logan Gunthorpe <logang@...tatee.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] sh: mm: Fix build error

Hi Guenter,

On Mon, 13 Apr 2020 09:15:42 -0700 Guenter Roeck <linux@...ck-us.net> wrote:
>
>   415 |  if (WARN_ON_ONCE(params->pgprot.pgprot != PAGE_KERNEL.pgprot)
>       |     ^
> arch/sh/mm/init.c:424:1: error: expected expression before '}' token
>   424 | }
> 
> Obviously never even compile tested.
> 
> Fixes: a332976e0184 ("mm/memory_hotplug: add pgprot_t to mhp_params")
> Cc: Logan Gunthorpe <logang@...tatee.com>
> Cc: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> ---
>  arch/sh/mm/init.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
> index b9de2d4fa57e..8d2a68aea1fc 100644
> --- a/arch/sh/mm/init.c
> +++ b/arch/sh/mm/init.c
> @@ -412,7 +412,7 @@ int arch_add_memory(int nid, u64 start, u64 size,
>  	unsigned long nr_pages = size >> PAGE_SHIFT;
>  	int ret;
>  
> -	if (WARN_ON_ONCE(params->pgprot.pgprot != PAGE_KERNEL.pgprot)
> +	if (WARN_ON_ONCE(params->pgprot.pgprot != PAGE_KERNEL.pgprot))
>  		return -EINVAL;
>  
>  	/* We only have ZONE_NORMAL, so this is easy.. */
> -- 
> 2.17.1
> 

I'll put this in my fixes tree until someone else picks it up.  Now
that the patch has reached Linus' tree (and its SHA1 is stable), the
Fixes line should be

Fixes: bfeb022f8fe4 ("mm/memory_hotplug: add pgprot_t to mhp_params")

-- 
Cheers,
Stephen Rothwell

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