Date: Thu, 25 Oct 2012 02:23:05 -0700
From: Anton Vorontsov <anton.vorontsov@linaro.org>
To: Minchan Kim <minchan@kernel.org>
Cc: Mel Gorman <mgorman@suse.de>, Pekka Enberg <penberg@kernel.org>,
        Leonid Moiseichuk <leonid.moiseichuk@nokia.com>,
        KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        John Stultz <john.stultz@linaro.org>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, linaro-kernel@lists.linaro.org,
        patches@linaro.org, kernel-team@android.com, linux-man@vger.kernel.org
Subject: Re: [RFC v2 0/2] vmevent: A bit reworked pressure attribute + docs +
 man page
Message-ID: <20121025092305.GA32417@lizard>
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 <20121025064009.GA15767@bbox>
 <20121025090813.GA16078@lizard>
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On Thu, Oct 25, 2012 at 02:08:14AM -0700, Anton Vorontsov wrote:
[...]
> Maybe it makes sense to implement something like PRESSURE_MILD with an
> additional nr_pages threshold, which basically hits the kernel about how
> many easily reclaimable pages userland has (that would be a part of our
> definition for the mild pressure level). So, essentially it will be
> 
> 	if (pressure_index >= oom_level)
> 		return PRESSURE_OOM;
> 	else if (pressure_index >= med_level)
> 		return PRESSURE_MEDIUM;
> 	else if (userland_reclaimable_pages >= nr_reclaimable_pages)
> 		return PRESSURE_MILD;

...or we can call it PRESSURE_BALANCE, just to be precise and clear.
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