On Wed, Jan 21, 2015 at 09:49:28AM +0000, Thomas Graf wrote:

An entry can move between different tables and thus chains need to be
marked to identify what list a lookup ended up searching in. It's not
the nulls marker itself that is needed, it's the bits in the last next
pointer identifying the list that the nulls marker allows to be used
which are essential.

Can you describe in more detail how it's going to be used? I don't
see how I could use the bit if you need it to indicate the end of
the list.

Cheers,
-- 
Email: Herbert Xu [off-list ref]
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