Re: [Patch 1/1] init: Provide a kernel start parameter to increasepid_max v2

From: Alan Cox
Date: Wed Apr 21 2010 - 13:54:40 EST


On Wed, 21 Apr 2010 17:59:34 +0100
Hedi Berriche <hedi@xxxxxxx> wrote:

> On Wed, Apr 21, 2010 at 10:20 Alan Cox wrote:
> | > of 32k will not be enough. A system with 1664 CPU's, there are 25163 processes
> | > started before the login prompt. It's estimated that with 2048 CPU's we will pass
> |
> | Is that perhaps the bug not the 32K limit?
>
> Doubt it: I just checked on an *idle* 1664 CPUs system and I can see 26844
> tasks, all but few being kernel threads.

So why have we got 26844 tasks. Isn't that a rather more relevant
question.

And as I asked before - how does Tejun's work on sanitizing work queues
affect this ?

Alan
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