On Thu, 28 May 2009 17:17:38 +0200 cpghost <cpgh...@cordula.ws> wrote:
> The following excerpt from: > http://www.freebsd.org/releases/7.2R/relnotes-detailed.html > may be helpful: > > [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. Just out of idle curiosity, how does it work at the page queue level. Most of the references to superpages are in pmap.c and vm_reserv.c. I don't see any special handling in the pageout daemon where the inactive and active queues are handled. _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"