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SubjectRe: Linux/Pro [was Re: Coding style - a non-issue]
Dave Jones wrote:
>
> On Sun, 2 Dec 2001, Andrew Morton wrote:
>
> > > Really? So then people should be designing for 128 CPU machines, right?
> > Linux only supports 99 CPUs. At 100, "ksoftirqd_CPU100" overflows
> > task_struct.comm[].
> > Just thought I'd sneak in that helpful observation.
>
> Wasn't someone looking at fixing that problem so it didn't need a per-cpu
> thread ?

Not to my knowledge.

> 128 kernel threads sitting around waiting for a problem that
> rarely happens seems a little.. strange. (for want of a better word).

I've kinda lost the plot on ksoftirqd. Never really understood
why a thread was needed for this, nor why it runs at nice +20.
But things seem to be working now.

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