[Devel] [PATCH v13 13/16] vmscan: take at least one pass with shrinkers

[Dave Chinner]

On Mon, Dec 09, 2013 at 12:05:54PM +0400, Vladimir Davydov wrote:
> From: Glauber Costa <glommer at openvz.org>
> 
> In very low free kernel memory situations, it may be the case that we
> have less objects to free than our initial batch size. If this is the
> case, it is better to shrink those, and open space for the new workload
> then to keep them and fail the new allocations.
> 
> In particular, we are concerned with the direct reclaim case for memcg.
> Although this same technique can be applied to other situations just as
> well, we will start conservative and apply it for that case, which is
> the one that matters the most.

This should be at the start of the series.

Cheers,

Dave.

-- 
Dave Chinner
david at fromorbit.com