linux-kernel - Re: 2.6.18-rc2-mm1 timer int 0 doesn't work

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Date:	Sat, 29 Jul 2006 06:03:37 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andrew Morton <akpm@...l.org>
Cc:	Paul Fulghum <paulkf@...rogate.com>, ak@....de,
	linux-kernel@...r.kernel.org, ebiederm@...ssion.com,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: 2.6.18-rc2-mm1 timer int 0 doesn't work


* Andrew Morton <akpm@...l.org> wrote:

> > 2.6.18-rc2 works fine with same config.
> > 
> > In this case the error is:
> > 
> > No per-cpu room for modules
> 
> yeah, sorry, that's a known problem which nobody appears to be doing 
> anything about.  The expansion of NR_IRQS gobbles all the percpu 
> memory in the kstat structure.

while the fundamental issue is the NR_IRQS problem which we'll fix 
separately, Steve has a patchset to make percpu room dynamic:

  http://lkml.org/lkml/2006/4/14/137

	Ingo
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