linux-kernel - Re: [PATCH 5/5] add NR_ANON

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Message-ID: <20090705121308.GC5252@localhost>
Date:	Sun, 5 Jul 2009 20:13:08 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH 5/5] add NR_ANON_PAGES to OOM log

On Sun, Jul 05, 2009 at 05:26:18PM +0800, KOSAKI Motohiro wrote:
> Subject: [PATCH] add NR_ANON_PAGES to OOM log
> 
> show_free_areas can display NR_FILE_PAGES, but it can't display
> NR_ANON_PAGES.
> 
> this patch fix its inconsistency.
> 
> 
> Reported-by: Wu Fengguang <fengguang.wu@...il.com>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> ---
>  mm/page_alloc.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> Index: b/mm/page_alloc.c
> ===================================================================
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -2216,6 +2216,7 @@ void show_free_areas(void)
>  		printk("= %lukB\n", K(total));
>  	}
>  
> +	printk("%ld total anon pages\n", global_page_state(NR_ANON_PAGES));
>  	printk("%ld total pagecache pages\n", global_page_state(NR_FILE_PAGES));

Can we put related items together, ie. this looks more friendly:

        Anon:XXX active_anon:XXX inactive_anon:XXX
        File:XXX active_file:XXX inactive_file:XXX

Thanks,
Fengguang

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