linux-kernel - Re: [PATCH 11/11] maps3: make page monitoring /proc file optional

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Message-ID: <4713EEE5.8060706@goop.org>
Date:	Mon, 15 Oct 2007 15:51:17 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Dave Hansen <haveblue@...ibm.com>
CC:	Matt Mackall <mpm@...enic.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	David Rientjes <rientjes@...gle.com>,
	Fengguang Wu <wfg@...l.ustc.edu.cn>
Subject: Re: [PATCH 11/11] maps3: make page monitoring /proc file optional

Dave Hansen wrote:
> On Mon, 2007-10-15 at 17:26 -0500, Matt Mackall wrote:
>   
>> +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. 
>>     
>
> How about pulling the EMBEDDED off there?  I certainly want it for
> non-embedded reasons. ;)

That means it will only bother asking you if you've set EMBEDDED;
otherwise its always on.

    J
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