Re: [RFC] Optimization for use-once pages

Eric W. Biederman (ebiederm@xmission.com)
25 Jul 2001 10:05:47 -0600


Daniel Phillips <phillips@bonn-fries.net> writes:

> On Wednesday 25 July 2001 10:32, Eric W. Biederman wrote:
> > Consider having a swapfile on tmpfs.
>
> Ooh, a truly twisted thought.
>
> We'd know we're making progress when we can prove it doesn't deadlock.

Given all of that I think I going to go try to hack up a version that
works.

The ensuring we don't deadlock sounds like it will require some shared
mechanisms with journaling filesystems. The whole pinned ram
problem. So to some extent it looks like a 2.4 problem. Though I'd
rather solve it in 2.5.x first.

Eric
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