Messages in this thread | | | Date | Thu, 2 Jun 2011 16:27:38 +0200 | From | Johannes Weiner <> | Subject | Re: [patch 7/8] vmscan: memcg-aware unevictable page rescue scanner |
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On Thu, Jun 02, 2011 at 10:27:15PM +0900, Hiroyuki Kamezawa wrote: > 2011/6/1 Johannes Weiner <hannes@cmpxchg.org>: > > Once the per-memcg lru lists are exclusive, the unevictable page > > rescue scanner can no longer work on the global zone lru lists. > > > > This converts it to go through all memcgs and scan their respective > > unevictable lists instead. > > > > Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> > > Hm, isn't it better to have only one GLOBAL LRU for unevictable pages ? > memcg only needs counter for unevictable pages and LRU is not necessary > to be per memcg because we don't reclaim it...
That's true, and I will look into it. But keep in mind that it needs special-casing that one list type from all the others, so maybe it's just easier to keep it like this.
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