linux-kernel - Re: [PATCH 10/10] prepare to remove /proc/sys/vm/hugepages_treat_as

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Message-ID: <20130325151246.GB2154@dhcp22.suse.cz>
Date:	Mon, 25 Mar 2013 16:12:46 +0100
From:	Michal Hocko <mhocko@...e.cz>
To:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Cc:	linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>, Hugh Dickins <hughd@...gle.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Andi Kleen <andi@...stfloor.org>,
	Hillf Danton <dhillf@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/10] prepare to remove
 /proc/sys/vm/hugepages_treat_as_movable

On Fri 22-03-13 16:23:55, Naoya Horiguchi wrote:
[...]
> @@ -2086,11 +2085,7 @@ int hugetlb_treat_movable_handler(struct ctl_table *table, int write,
>  			void __user *buffer,
>  			size_t *length, loff_t *ppos)
>  {
> -	proc_dointvec(table, write, buffer, length, ppos);
> -	if (hugepages_treat_as_movable)
> -		htlb_alloc_mask = GFP_HIGHUSER_MOVABLE;
> -	else
> -		htlb_alloc_mask = GFP_HIGHUSER;
> +	/* hugepages_treat_as_movable is obsolete and to be removed. */

WARN_ON_ONCE("This knob is obsolete and has no effect. It is scheduled for removal")
>  	return 0;
>  }
>  
> -- 
> 1.7.11.7
> 

-- 
Michal Hocko
SUSE Labs
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