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Subject: Re: FreeBSD vice OS X memory management
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jb <jb.1234abcd <at> gmail.com> writes:

> ... 
> "The related implementation in FreeBSD seems to have a similar problem:
> 
> NetBSD users have also reported that UVM’s im- provements have had a positive
> effect on their applica- tions. This is most noticeable when physical memory
> becomes scarce and the VM system must page out data to free up memory.
> Under BSD VM this type of paging causes the system to become highly
> unresponsive, while
> under UVM the system slows while paging but does not become unresponsive.
> http://static.usenix.org/event/usenix99/full_papers/cranor/cranor.p...
> 
> Should be easy to fix: just start to page out some stuff in time before
> there is no memory left."
> ...

Would this mean that FreeBSD's (and Mach's ?) MM subsys are behind NetBSD's ?
If so, should FreeBSD adopt NetBSD's MM subsys, or just improve itself
surgically ?

jb