On Mon, 01 Oct 2007, YAMAMOTO Takashi wrote:
> who requested it, for what?
> does their purpose really need p_pathref,
> or can it be just served by name cache improvements as well?

For one example, see a thread in current-users starting on 24 Feb 2007,
Subject: /proc/${pid}/exe not working

I had a problem with perl doing the wrong thing when the "exe" symlink
in procfs was incorrect.

--apb (Alan Barrett)