On Thu, Jun 18, 2020 at 12:27:07PM +0300, Mike Rapoport wrote: > Hi Roman, > > On Mon, Jun 08, 2020 at 04:06:35PM -0700, Roman Gushchin wrote: > > This is v6 of the slab cgroup controller rework. > > > > The patchset moves the accounting from the page level to the object > > level. It allows to share slab pages between memory cgroups. > > This leads to a significant win in the slab utilization (up to 45%) > > and the corresponding drop in the total kernel memory footprint. > > The reduced number of unmovable slab pages should also have a positive > > effect on the memory fragmentation. > > ... > > > Johannes Weiner (1): > > mm: memcontrol: decouple reference counting from page accounting > > > > Roman Gushchin (18): > > mm: memcg: factor out memcg- and lruvec-level changes out of __mod_lruvec_state() > > mm: memcg: prepare for byte-sized vmstat items > > mm: memcg: convert vmstat slab counters to bytes > > mm: slub: implement SLUB version of obj_to_index() > > mm: memcg/slab: obj_cgroup API > > mm: memcg/slab: allocate obj_cgroups for non-root slab pages > > mm: memcg/slab: save obj_cgroup for non-root slab objects > > mm: memcg/slab: charge individual slab objects instead of pages > > mm: memcg/slab: deprecate memory.kmem.slabinfo > > mm: memcg/slab: move memcg_kmem_bypass() to memcontrol.h > > mm: memcg/slab: use a single set of kmem_caches for all accounted allocations > > mm: memcg/slab: simplify memcg cache creation > > mm: memcg/slab: remove memcg_kmem_get_cache() > > mm: memcg/slab: deprecate slab_root_caches > > mm: memcg/slab: remove redundant check in memcg_accumulate_slabinfo() > > mm: memcg/slab: use a single set of kmem_caches for all allocations > > kselftests: cgroup: add kernel memory accounting tests > > tools/cgroup: add memcg_slabinfo.py tool > > Sorry for jumping late, but I'm really missing > > Documentation/vm/cgroup-slab.rst | < lots of + > > > in this series ;-) Hi Mike! That's a good point. I'll write something and send a separate patch. Changes are barely visible to a user, so no rush here, but it's definitely a good idea to document the new design. Thank you!
