Re: [PATCH 2/3] pidhash: don't use zero pids

[Oleg Nesterov]

Hello Kirill,

Kirill Korotaev wrote:
> 
> Hello Oleg,
> 
> I had quite the same comment, but had no time to check it.
> I can't understand what problem do you solve, or just making code
> cleaner (from your point of view)?

Please look at http://marc.theaimsgroup.com/?t=113851660700001

> For me it was quite natural that pid=0 is used by idle, and I'm very
> suspicuos about such changes.

This patch does not change idle's pid, it is still 0. It changes ->pgrp
and ->session only from 0 to 1. Currently kernel threads run with 0,0
unless they call daemonize() which does set_special_pids(1, 1).

Oleg.
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