On Wed, 30 Jan 2019 05:54:27 +0000 Roman Gushchin guro@fb.com wrote:
I believe, that Rik's patch ( https://lkml.org/lkml/2019/1/28/1865 ) can make a difference here, and might fix the regression. I'd give it a chance, before reverting these two patches. Reverting will re-introduce the memcg-leak, which is quite bad.
Yup. I'll restore Rik's "mm, slab, vmscan: accumulate gradual pressure on small slabs" for next -mm.