Messages in this thread |  | | Date | Fri, 13 May 2011 11:53:08 +0200 | | From | Michal Hocko <> | | Subject | Re: [rfc patch 3/6] mm: memcg-aware global reclaim |
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On Thu 12-05-11 16:53:55, Johannes Weiner wrote: > A page charged to a memcg is linked to a lru list specific to that > memcg. At the same time, traditional global reclaim is obvlivious to > memcgs, and all the pages are also linked to a global per-zone list. > > This patch changes traditional global reclaim to iterate over all > existing memcgs, so that it no longer relies on the global list being > present.
At LSF we have discussed that we should keep a list of over-(soft)limit cgroups in a list which would be the first target for reclaiming (in round-robin fashion). If we are note able to reclaim enough from those (the list becomes empty) we should fallback to the all groups reclaim (what you did in this patchset).
-- Michal Hocko SUSE Labs SUSE LINUX s.r.o. Lihovarska 1060/12 190 00 Praha 9 Czech Republic
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