On Tue, 13 Nov 2007, Eric Dumazet wrote:
> This is because NR_CPUS is defaulted to 32 on i386 (with a limit of 256), so
> reserving 256*256KB = 64 MB of virtual space might be too much. (this is half
> the typical vmalloc area)
It defaults to 8 except if you use a NUMA system.
config NR_CPUS
int "Maximum number of CPUs (2-255)"
range 2 255
depends on SMP
default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000
default "8"
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