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Date: Mon, 15 Oct 2007 22:25:07 -0700 (PDT)
From: David Rientjes <rientjes@google.com>
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To: Matt Mackall <mpm@selenic.com>
cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
       Dave Hansen <haveblue@us.ibm.com>,
       Rusty Russell <rusty@rustcorp.com.au>,
       Jeremy Fitzhardinge <jeremy@goop.org>,
       Fengguang Wu <wfg@mail.ustc.edu.cn>
Subject: Re: [PATCH 11/11] maps3: make page monitoring /proc file optional
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On Mon, 15 Oct 2007, Matt Mackall wrote:

> Index: l/init/Kconfig
> ===================================================================
> --- l.orig/init/Kconfig	2007-10-14 13:35:07.000000000 -0500
> +++ l/init/Kconfig	2007-10-15 17:18:16.000000000 -0500
> @@ -571,6 +571,15 @@ config SLOB
>  
>  endchoice
>  
> +config PROC_PAGE_MONITOR
> + 	default y
> +	bool "Enable /proc page monitoring" if EMBEDDED && PROC_FS && MMU
> + 	help
> +	  Various /proc files exist to monitor process memory utilization:
> +	  /proc/pid/smaps, /proc/pid/clear_refs, /proc/pid/pagemap,
> +	  /proc/kpagecount, and /proc/kpageflags. Disabling these
> +          interfaces will reduce the size of the kernel by approximately 4kb.
> +
>  endmenu		# General setup
>  
>  config RT_MUTEXES

It's probably better not to include the text size savings since it will 
most likely be outdated at some time in the future.