linux-kernel - Re: [PATCH 6/6] add documentation on proc.txt

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Message-ID: <51756286.4020704@intel.com>
Date:	Mon, 22 Apr 2013 09:17:10 -0700
From:	Dave Hansen <dave.hansen@...el.com>
To:	Minchan Kim <minchan@...nel.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Michael Kerrisk <mtk.manpages@...il.com>,
	Rik van Riel <riel@...hat.com>, Rob Landley <rob@...dley.net>
Subject: Re: [PATCH 6/6] add documentation on proc.txt

On 04/22/2013 01:45 AM, Minchan Kim wrote:
> +The /proc/PID/reclaim is used to reclaim pages in this process.
> +To reclaim file-backed pages,
> +    > echo 1 > /proc/PID/reclaim
> +
> +To reclaim anonymous pages,
> +    > echo 2 > /proc/PID/reclaim
> +
> +To reclaim both pages,
> +    > echo 3 > /proc/PID/reclaim

This seems to be in the same spirit as /proc/sys/vm/drop_caches.  That's
not a sin in and of itself.  But, why use numbers here?

Any chance I could talk you in to using some strings, say like:

	echo 'anonymous' > /proc/PID/reclaim
	echo 'anonymous|file' > /proc/PID/reclaim


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