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List:       linux-kernel
Subject:    Re: [PATCH 2/2] mempolicy: fix typo
From:       Andrew Morton <akpm () linux-foundation ! org>
Date:       2013-02-28 23:54:19
Message-ID: 20130228155419.cf412612.akpm () linux-foundation ! org
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On Thu, 28 Feb 2013 00:25:07 -0500
kosaki.motohiro@gmail.com wrote:

> From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> 
> Currently, n_new is wrongly initialized. start and end parameter
> are inverted. Let's fix it.
> 
> ...
>
> --- a/mm/mempolicy.c
> +++ b/mm/mempolicy.c
> @@ -2390,7 +2390,7 @@ static int shared_policy_replace(struct shared_policy *sp, unsigned long start,
>  
>  				*mpol_new = *n->policy;
>  				atomic_set(&mpol_new->refcnt, 1);
> -				sp_node_init(n_new, n->end, end, mpol_new);
> +				sp_node_init(n_new, end, n->end, mpol_new);
>  				n->end = start;
>  				sp_insert(sp, n_new);
>  				n_new = NULL;

huh.  What were the runtime effects of this problem?
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