stack hogs in kernel

George V. Neville-Neil gnn at neville-neil.com
Tue Apr 15 10:12:56 UTC 2008


At Tue, 15 Apr 2008 08:06:34 +0000,
Poul-Henning Kamp wrote:
> 
> In message <20080414213656.Q959 at desktop>, Jeff Roberson writes:
> 
> >> I've long wondered about the seemingly fanatical stack size concern in
> >> kernel space.  In other domains (where I have more experience) you can
> >> get good performance benefits from the essentially free memory management
> >> and good cache re-use that comes from putting as much into the
> >> stack/call-frame as possible.
> >
> >There is a small fixed kernel stack per-thread.
> 
> And in case anybody is about to forget: FreeBSD is still used on
> systems with a lot less than 1GB ram :-)

And we'd like it to be used on systems with even less :-)

Later,
George


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