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From: "Manfred Spraul" <manfred@colorfullife.com>
To: "Russ Weight" <rweight@us.ibm.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Scalable CPU bitmasks
Date: Mon, 18 Mar 2002 23:28:47 +0100
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>
>
>  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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