Re: New filesystem for Linux

From: Alan Cox
Date: Sat Nov 04 2006 - 20:56:09 EST


Ar Sad, 2006-11-04 am 19:40 +0100, ysgrifennodd Mikulas Patocka:
> > The problem with a per_cpu biglock is that you may consume a lot of RAM for
> > big NR_CPUS. Count 32 KB per 'biglock' if NR_CPUS=1024
>
> Does one Linux kernel run on system with 1024 cpus? I guess it must fry
> spinlocks... (or even lockup due to spinlock livelocks)

Altix goes that big and bigger.

Alan
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