> > That is not what the kernel does, in general. We assume that if he wants
> > that memory and we can serve it, we should. Also, not all kernel memory
> > is unreclaimable. We can shrink the slabs, for instance. Ying Han
> > claims she has patches for that already...
>
> Are those patches somewhere around?
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?