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From: Dave Hansen <dave.hansen@intel.com>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Michael Kerrisk <mtk.manpages@gmail.com>,
	Rik van Riel <riel@redhat.com>, Rob Landley <rob@landley.net>
Subject: Re: [PATCH 6/6] add documentation on proc.txt
Date: Mon, 22 Apr 2013 09:17:10 -0700	[thread overview]
Message-ID: <51756286.4020704@intel.com> (raw)
In-Reply-To: <1366620306-30940-6-git-send-email-minchan@kernel.org>

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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WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave.hansen@intel.com>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Michael Kerrisk <mtk.manpages@gmail.com>,
	Rik van Riel <riel@redhat.com>, Rob Landley <rob@landley.net>
Subject: Re: [PATCH 6/6] add documentation on proc.txt
Date: Mon, 22 Apr 2013 09:17:10 -0700	[thread overview]
Message-ID: <51756286.4020704@intel.com> (raw)
In-Reply-To: <1366620306-30940-6-git-send-email-minchan@kernel.org>

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



  parent reply	other threads:[~2013-04-22 16:17 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-22  8:45 [PATCH 1/6] mm: Per process reclaim Minchan Kim
2013-04-22  8:45 ` Minchan Kim
2013-04-22  8:45 ` [PATCH 2/6] mm: make shrink_page_list with pages work from multiple zones Minchan Kim
2013-04-22  8:45   ` Minchan Kim
2013-04-22  8:45 ` [PATCH 3/6] mm: Remove shrink_page Minchan Kim
2013-04-22  8:45   ` Minchan Kim
2013-04-22  8:45 ` [PATCH 4/6] mm: Enhance per process reclaim to consider shared pages Minchan Kim
2013-04-22  8:45   ` Minchan Kim
2013-04-22  8:45 ` [PATCH 5/6] mm: Support address range reclaim Minchan Kim
2013-04-22  8:45   ` Minchan Kim
2013-04-22  8:45 ` [PATCH 6/6] add documentation on proc.txt Minchan Kim
2013-04-22  8:45   ` Minchan Kim
2013-04-22 15:48   ` Rob Landley
2013-04-22 15:48     ` Rob Landley
2013-04-23  1:26     ` Minchan Kim
2013-04-23  1:26       ` Minchan Kim
2013-04-22 16:17   ` Dave Hansen [this message]
2013-04-22 16:17     ` Dave Hansen
2013-04-23  1:53     ` Minchan Kim
2013-04-23  1:53       ` Minchan Kim
2013-04-23 14:33       ` Dave Hansen
2013-04-23 14:33         ` Dave Hansen
2013-04-24  1:42         ` Minchan Kim
2013-04-24  1:42           ` Minchan Kim

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