Hi, from cujrrent intel and amd roadmaps, expect 4-way and 8-way 12 core boxes during the lenny life cycle.
I think NR_CPUS should really be set to 96, at least.
On Tue, Jul 29, 2008 at 10:25:32AM +0200, maximilian attems wrote:
> we came to this issue:
> 10:13 <waldi> 1345623 3148364 417112 4911099 4aeffb x86_64-255/vmlinux
> 10:13 <waldi> 1339887 380556 273880 1994323 1e6e53 x86_64-32/vmlinux
> 10:13 <waldi> only change is the number of cpus *gna*
>
> 10:16 <waldi> struct irq_cfg irq_cfg[NR_IRQS] __read_mostly = {
> 10:18 <waldi> yeah, 2.5MiB just for the interrups
> 10:19 <waldi> #define NR_IRQS (256 + (32 * NR_CPUS))
> 10:29 <waldi> and because some parts have static initializers, it can't be
> moved
> into the bss section
>
> the debian installer cares about the image size.
What is the actual limit?
Not raising this setting means loosing even more on the enterprise and
HPC terrain.
Best regards
Frederik Schüler
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