>
> Hindi, sabi ni Alan Cox, with 2.4 kernel you either
> have swap = 3x memory,
> or NO SWAP. Redesigned VM and all.
Linus has spoken, and 2.4.x now requires swap = 2x
RAM.
http://kt.zork.net/kernel-traffic/kt20010126_104.html#2
<sniff>
Elsewhere, he considered the case of swapless or
low-swap machines:
If you don't have any swap, or if you run out of swap,
the major difference between 2.2.x and 2.4.x is
probably going to be the oom handling: I suspect that
2.4.x might be more likely to kill things off sooner
(but it tries to be graceful about which processes to
kill).
Not having any swap is going to be a performance issue
for both 2.2.x and 2.4.x - Linux likes to push
inactive dirty pages out to swap where they can lie
around without bothering anybody, even if there is no
_major_ memory crunch going on
</sniff>
-Dek
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