linux-kernel - Re: [PATCH 07/11] mm: frontswap: remove unnecessary check during initialization

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Message-ID: <20120607183145.GB9472@phenom.dumpdata.com>
Date:	Thu, 7 Jun 2012 14:31:45 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Sasha Levin <levinsasha928@...il.com>
Cc:	dan.magenheimer@...cle.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 07/11] mm: frontswap: remove unnecessary check during
 initialization

On Wed, Jun 06, 2012 at 12:55:11PM +0200, Sasha Levin wrote:

Could you explain in the git commit why it is unnecessary?
I am pretty sure I know - it is b/c frontswap_init already
does the check, but the git commit should mention it.

> Signed-off-by: Sasha Levin <levinsasha928@...il.com>
> ---
>  mm/frontswap.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/frontswap.c b/mm/frontswap.c
> index f2f4685..bf99c7d 100644
> --- a/mm/frontswap.c
> +++ b/mm/frontswap.c
> @@ -89,8 +89,7 @@ void __frontswap_init(unsigned type)
>  	BUG_ON(sis == NULL);
>  	if (sis->frontswap_map == NULL)
>  		return;
> -	if (frontswap_enabled)
> -		frontswap_ops.init(type);
> +	frontswap_ops.init(type);
>  }
>  EXPORT_SYMBOL(__frontswap_init);
>  
> -- 
> 1.7.8.6
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