Re: VFS nr_files accounting

[Dipankar Sarma <dipankar@in.ibm.com>]

On Mon, Mar 06, 2006 at 10:47:48PM -0800, David S. Miller wrote:
> From: Dipankar Sarma <dipankar@in.ibm.com>
> Date: Tue, 7 Mar 2006 12:11:20 +0530
> 
> > On Mon, Mar 06, 2006 at 12:39:04PM -0800, David S. Miller wrote:
> > > I think we should seriously consider these patches for 2.6.16
> > 
> > Isn't it a little too late in the 2.6.16 cycle ? I would have
> > liked a little more time in -mm. Anyway, it is Linus' call. 
> > I can refresh the patches and submit against latest mainline
> > if Linus and Andrew want.
> 
> Users can run widely published programs to make one's system run out
> of file descriptors and make the machine totaly unusable.
> 
> If that doesn't qualify for something to fix for 2.6.16 I don't know
> what does.  :-)

Not many people have access to shiny new 8-core 32-thread CPUs
(/me turns green saying this) :-)

To be honest I thought Linus' earlier fix that increased
RCU maximum batch size to 1000 had more or less fixed
the issue for most people. I haven't seen it in my testing,
but I agree that we have to take OOMs seriously. I am just being
paranoic here.

Thanks
Dipankar
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