Sven Eckelmann wrote:
> The Kernighan algorithm is not able to calculate the number of set bits
> in parallel and the compiler cannot replace it with optimized
> instructions.
> 
> The kernel provides specialised functions for each cpu which can either
> use a software implementation or hardware instruction depending on the
> target cpu.
> 
> Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
> ---

Maybe someone could do me the favor and add before the Signed-off-by: line one 
that mentions that David S. Miller is the actual reporter. This would look 
something like this:

Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>

thanks,
	Sven