scheduler BUGON lifespan

[Darren Hart]

I submitted a patch to active_load_balance() that was accepted into mm
and then mainline.  The patch included a fix to prevent the system
entering what should have been an impossible state.  The previous code
tested for it and then continued, rather than crashing or complaining.
My patch added a BUGON(impossible state) just in case by some fluke it
still happened.  How long should this BUGON remain in the kernel?  A
month, a year?  Is there an accepted duration for such safety nets?

Thanks,

-- 
Darren Hart <dvhltc@xxxxxxxxxx>
IBM Linux Technology Center
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