[Devel] Re: [PATCH v2 04/11] kmem accounting basic infrastructure

[Christoph Lameter]

On Wed, 15 Aug 2012, Greg Thelen wrote:

> > You can already shrink the reclaimable slabs (dentries / inodes) via
> > calls to the subsystem specific shrinkers. Did Ying Han do anything to
> > go beyond that?
>
> cc: Ying
>
> The Google shrinker patches enhance prune_dcache_sb() to limit dentry
> pressure to a specific memcg.

Ok then its restricted to the reclaimable slab caches already. The main
issue to sort out then is who is the "owner" of an inode/dentry (if
something like that exists). If you separate the objects into different
pages then the objects may be cleanly separated at the price of more
memory use.