> I never realized this could happen. Occasionally some of our machines runs
> out of memory because of bad user programs. But, instead of moving every
> program to the kernel
Yup, that would be stupid in the general case, but AFAICR all update does is
make one syscall at the start that never returns (i.e. it is a kernel thread
anyway, just started from user space), and another process that sync()s stuff
every few seconds.
> why not creating a kind of "minfree" parameter
> for memory+swap instead?
Seems like a good idea..
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