Re: [PATCH 3/4] watch_queue: Implement mount topology and attribute change notifications

From: David Howells
Date: Fri Jul 24 2020 - 15:59:57 EST

Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> So now you can basically allocate as much kernel memory as you want as
> a regular user, as long as you have a mounted directory you can walk
> (ie everybody).
> Is there any limiting of watches anywhere? I don't see it.

That's a good point. Any suggestions on how to do it? An additional RLIMIT?

Or should I do it like I did with keyrings and separately manage a quota for
each user?