Re: [PATCH] Scalable CPU bitmasks

Manfred Spraul (manfred@colorfullife.com)
Mon, 18 Mar 2002 23:28:47 +0100

>
>
> NOTE: The cpumap_to_ulong() and cpumap_ulong_to_cpumap() interfaces
> are provided specifically for migration. In their current
> form, they call BUG() if NR_CPUS is defined to be greater
> than the bit-size of (unsigned long).

Why BUG? NR_CPUS is known at compile time, is there a reason why you
can't use a call to an undefined function in order to get a link time
error message? (like __bad_udelay in linux/asm-i386/udelay.h)

--
    Manfred








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