Re: Recipe for cooking 2.1.72's mm

Rik van Riel (
Tue, 16 Dec 1997 12:53:36 +0100 (MET)

On Tue, 16 Dec 1997, Pavel Machek wrote:

> Sorry. There is a problem. It needs to be solved, not worked
> around. (Notice, that same process does nothing bad to 2.0.28).

On my system, it just gives one or two out-of-memory kills
of random processes. I'd really like it if those processes
would be a little less random... Killing kerneld or crond
(or X... remember those poor stateless-vga-card users) is
IMHO worse than killing a program from some USER. Finding
the most hoggy non-root process group and killing some of
it's programs shouldn't be too difficult.

btw: I'm using 2.1.66 with my mmap-age patch...

> And: Work around is bad. Imagine your machine with such behaviour on
> 100MBit ethernet. Imagine me around (ping -f)ing your machine. That
> can keep your pages low for as long as I want. You do not your machine
> to go yo-yo (up and down and up and down ...).

Ok, so we should limit the amount of memory the kernel can grab
for internal usage... Sysctl-wise of course, because some people
have special purpose routing machines.

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