linux-kernel - Re: [RFC] mm: show message when updating min_free

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Date:	Fri, 03 Jan 2014 10:17:54 -0800
From:	Dave Hansen <dave.hansen@...el.com>
To:	linux-kernel@...r.kernel.org,
	Andrea Arcangeli <aarcange@...hat.com>,
	Mel Gorman <mgorman@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	Michal Hocko <mhocko@...e.cz>
Subject: Re: [RFC] mm: show message when updating min_free_kbytes in thp

On 01/02/2014 07:33 PM, Han Pingtian wrote:
> @@ -130,8 +130,11 @@ static int set_recommended_min_free_kbytes(void)
>  			      (unsigned long) nr_free_buffer_pages() / 20);
>  	recommended_min <<= (PAGE_SHIFT-10);
>  
> -	if (recommended_min > min_free_kbytes)
> +	if (recommended_min > min_free_kbytes) {
> +		pr_info("raising min_free_kbytes from %d to %d to help transparent hugepage allocations\n",
> +			min_free_kbytes, recommended_min);
>  		min_free_kbytes = recommended_min;
> +	}
>  	setup_per_zone_wmarks();
>  	return 0;
>  }

I know I gave you that big bloated string, but 108 columns is a _wee_
bit over 80. :)

Otherwise, I do like the new message
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