Re: [RFC] [PATCH 00/13] Introduce task_pid api

From: Dave Hansen
Date: Wed Nov 16 2005 - 15:48:16 EST

On Wed, 2005-11-16 at 21:36 +0100, Pavel Machek wrote:
> Hmm... it is hard to judge a patch without context. Anyway, can't we
> get process snasphot/resume without virtualizing pids? Could we switch
> to 128-bits so that pids are never reused or something like that?

That might work fine for a managed cluster, but it wouldn't be a good
fit if you ever wanted to support something like a laptop in
disconnected operation, or if you ever want to restore the same snapshot
more than once. There may also be some practical userspace issues
making pids that large.

I also hate bloating types and making them sparse just for the hell of
it. It is seriously demoralizing to do a ps and see
7011827128432950176177290 staring back at you. :)

-- Dave

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