Messages in this thread | | | Date | Sun, 17 Mar 2002 10:23:26 -0300 (BRT) | From | Rik van Riel <> | Subject | Re: [Lse-tech] Re: 10.31 second kernel compile |
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On Sat, 16 Mar 2002, Linus Torvalds wrote: > On Sat, 16 Mar 2002 yodaiken@fsmlabs.com wrote: > > > > What about 2M pages? > > Not useful for generic loads right now, and the latencies for clearing or > copying them them etc (ie single page faults - nopage or COW) are still > big enough that it would likely be a performance problem at that level. > And while doing IO in 2MB chunks sounds like fun, since most files are > still just a few kB,
In other words, large pages should be a "special hack" for special applications, like Oracle and maybe some scientific calculations ?
Grabbing some bitflags in generic datastructures shouldn't be an issue since free bits are available.
regards,
Rik -- <insert bitkeeper endorsement here>
http://www.surriel.com/ http://distro.conectiva.com/
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