Messages in this thread | | | Date | Wed, 11 Apr 2012 03:48:55 +0200 | From | Johannes Weiner <> | Subject | Re: [PATCH -mm] remove swap token code |
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On Mon, Apr 09, 2012 at 11:32:01AM -0400, Rik van Riel wrote: > The swap token code no longer fits in with the current VM model. > It does not play well with cgroups or the better NUMA placement > code in development, since we have only one swap token globally. > > It also has the potential to mess with scalability of the system, > by increasing the number of non-reclaimable pages on the active > and inactive anon LRU lists. > > Last but not least, the swap token code has been broken for a > year without complaints. This suggests we no longer have much > use for it. > > The days of sub-1G memory systems with heavy use of swap are > over. If we ever need thrashing reducing code in the future, > we will have to implement something that does scale. > > Signed-off-by: Rik van Riel <riel@redhat.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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