wojtek at wojtek.tensor.gdynia.pl
Thu May 28 19:53:42 UTC 2009
> [amd64, i386] The FreeBSD virtual memory subsystem now supports
> fully transparent use of superpages for application memory;
> application memory pages are dynamically promoted to or demoted from
> superpages without any modification to application code. This change
> offers the benefit of large page sizes such as improved virtual
> memory efficiency and reduced TLB (translation lookaside buffer)
> misses without downsides like application changes and virtual memory
> inflexibility. This is disabled by default and can be enabled by
> setting a loader tunable vm.pmap.pg_ps_enabled to 1.
very important change. i will have to check.
thank you very much
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