It seems they made it available.

AFAIK, links to LWN pages are intentionally always visible to non-subscribers.

In any case, I am not a subscriber and I see it.

https://news.ycombinator.com/newsfaq.html

> Are paywalls ok?

> It's ok to post stories from sites with paywalls that have workarounds.

> In comments, it's ok to ask how to read an article and to help other users do so. But please don't post complaints about paywalls. Those are off topic. More here.