Messages in this thread | | | Date | Sun, 20 Apr 2008 19:43:11 +0200 | From | Jörn Engel <> | Subject | Re: x86: 4kstacks default |
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On Sun, 20 April 2008 19:19:26 +0200, Andi Kleen wrote: > > But these are SoC systems. Do they really run x86? > (note we're talking about an x86 default option here) > > Also I suspect in a true 16MB system you have to strip down > everything kernel side so much that you're pretty much outside > the "validated by testers" realm that Adrian cares about.
Maybe. I merely showed that embedded people (not me) have good reasons to care about small stacks. Whether they care enough to actually spend work on it - doubtful.
> > When dealing in those dimensions, savings of 100k are substantial. In > > some causes they may be the difference between 16MiB or 32MiB, which > > translates to manufacturing costs. In others it simply means that the > > system can cache > > If you need the stack you don't have any less cache foot print. > If you don't need it you don't have any either.
This part I don't understand.
Jörn
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