On Fri, Aug 12, 2011 at 07:52:06PM +0200, Johannes Weiner wrote:
> Do we even need to make this fixed? It can be unsigned long long for
> now, but I could imagine leaving it up to the user depending how much
> space she is able/willing to invest to save time:
>
> void synchronize_rcu_with(unsigned long time, unsigned int bits)
> {
> if (generation_counter & ((1 << bits) - 1) == time)
> synchronize_rcu();
> }
>
> If you have only 3 bits to store the time, you will synchronize
> falsely to every 8th phase. Better than nothing, right?
Ok if any of the bits is different we can safely skip it.
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