On Wed, Jul 27, 2005 at 04:17:54PM +0200, Ingo Molnar wrote:
> 
> * Steven Rostedt <[EMAIL PROTECTED]> wrote:
> 
> > The following patch makes the MAX_RT_PRIO and MAX_USER_RT_PRIO 
> > configurable from the make *config.  This is more of a proposal since 
> > I'm not really sure where in Kconfig this would best fit. I don't see 
> > why these options shouldn't be user configurable without going into 
> > the kernel headers to change them.
> 
> i'd not do this patch, mainly because the '100 priority levels' thing is 
> pretty much an assumption in lots of userspace code. The patch to make 
> it easier to redefine it is of course fine and was accepted, but i dont 
> think we want to make it explicit via .config.
> 
> It's a bit like with the 3:1 split: you can redefine it easily via 
> include files, but it's not configurable via .config, because many 
> people would just play with it and would see things break.
> 
> so unless there's really a desire from distributions to actually change 
> the 100 RT-prio levels (and i dont sense such a desire), we shouldnt do 
> this.

The queues take a fairly substantial amount of memory. I've had an
option for configuring this under CONFIG_EMBEDDED in the -tiny tree
for quite some time.

-- 
Mathematics is the supreme nostalgia of our time.
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