Re: malloc(3) (hopefully) set for 7.0

Ivan Voras wrote:
[...] I'd really like if you could manage to implement
those ideas before 7.0, and here's why:

- The standard for new servers here is 4 cores (in various socket
arrangements), and we're not at all high-tech. This is likely to go up.
- If you include hyperthreading, even all *desktops* are SMPs! In short,
even including desktops, I haven't installed a UP kernel in about a year.
- It's too long to wait for 8.0 for something as important as this.

I already implemented features in malloc that greatly _reduce_ malloc-related contention, so I don't think it is necessary to rush further enhancements that would nearly _eliminate_ contention. We are already in pretty good shape. Also, of the enhancements I have in mind, those with highest (predicted) payoff are self-contained enough that backporting to RELENG_7 might be feasible.

Jason
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