[PATCH 1/3] Adds a read-only "procs" file similar to "tasks" that shows only unique tgids

[Dave Hansen]

On Tue, 2009-07-14 at 14:26 -0700, Benjamin Blum wrote:
> This method looks to be a compromise between Andrew's proposed
> generalized solution ( http://lkml.org/lkml/2009/7/2/518 ) and the
> current quick-fix. The problem with it is that it'll require a layer
> between whoever's using the array and managing the list structs (for
> the case where we need to chain multiple blocks together), and if
> we're going to put forth enough effort for that, we may as well go
> ahead and write up a generalized kernel-wide library to fix this size
> problem globally.

This "Andrew" guy seems to know what he's talking about. :)

We've also got a set of pgarrs (struct page arrays) in the
checkpoint/restart code that would make use of something generic like
this.  

-- Dave