Messages in this thread | | | Date | Thu, 14 Nov 2013 10:53:37 -0500 | From | Rik van Riel <> | Subject | Re: [patch 0/8] mm: thrash detection-based file cache sizing v5 |
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On 11/12/2013 05:30 AM, Bob Liu wrote: > Hi Johannes, > > On Fri, Oct 11, 2013 at 5:46 AM, Johannes Weiner <hannes@cmpxchg.org> wrote: >> Future >> >> Right now we have a fixed ratio (50:50) between inactive and active >> list but we already have complaints about working sets exceeding half >> of memory being pushed out of the cache by simple used-once streaming >> in the background. Ultimately, we want to adjust this ratio and allow >> for a much smaller inactive list. These patches are an essential step >> in this direction because they decouple the VMs ability to detect >> working set changes from the inactive list size. This would allow us >> to base the inactive list size on something more sensible, like the >> combined readahead window size for example. >> > > I found that this patchset have the similar purpose as > Zcache(http://lwn.net/Articles/562254/) in some way.
Sorry, but that is unrelated.
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