Re: Linux hostile to poverty

Benjamin Redelings I (bredelin@ucsd.edu)
Sat, 18 Jul 1998 08:27:51 -0700

I am QUITE interested to hear this. Perhaps you can ask Alan to add this
to his things-to-fix-before-2.2 list :)
2.1.109 was supposed to have some things to reduce memory fragmentation,
(i.e. the quicklist was removed, some awareness of fragmentation was put
into mm). I wonder if the quicklist actually helped you?

Anyway, Bill Hawes has posted a whole BUNCH of patches this week on
linux-kernel. One of them was an actual defragmenter which ends up being
called on low-memory machines ut not much on high-memory ones. So you
should test that one out...

And I just heard that this whole fragmentation problem is the result of
having a dcache, which is why 2.1 NEEDS to worry about fragmentation but
2.0 didn't. But I don't really know what I'm talking about, just overhear
stuff and try not to mangle it ;)

-BenRI

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