Re: 2.4.19pre2aa1

Daniel Phillips
2002-03-12T12:27:32Z

On March 12, 2002 12:47 pm, Andrea Arcangeli wrote:
> If it's pure random mul will make no difference to
> the distribution. And the closer we're to pure random like in the
> wait_table hash, the less mul will help and the more important will be
> to just get right the two contigous pages in the same cacheline and
> nothing else.

You're ignoring the possibility (probability) of corner cases. I'm not
sure why you're beating away on this, Bill has done a fine job of coming
up with hashes that are both satisfactory for the common case and have
sound reasons for being resistant to corner cases.

--
Daniel