Re: [RFC v2 0/2] vmevent: A bit reworked pressure attribute + docs +man page

From: Anton Vorontsov
Date: Thu Oct 25 2012 - 05:25:58 EST


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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/