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

[Greg Thelen]

On Wed, Aug 15 2012, Christoph Lameter wrote:

> On Wed, 15 Aug 2012, Michal Hocko wrote:
>
>> > 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?

cc: Ying

The Google shrinker patches enhance prune_dcache_sb() to limit dentry
pressure to a specific memcg.