Re: 2.6.25-gitX and pmd_bad() on x86_32

From: Andi Kleen
Date: Fri Apr 25 2008 - 05:48:17 EST


Joerg Friedrich <Joerg.Friedrich@xxxxxxxxxxxxxxx> writes:

> Yesterday I tried to compile 2.6.25-git5 but I ran into a "Unknown
> Symbol" (pmd_bad) warning from linker while compiling the nvidia-binary module.

pmd_bad is always optional. You can safely make it return 0 in some local
macro.

> AFAICS, x86_32 is the only architecture where pmd_bad is neither a
> define or a static inline. Including asm/pgtable.h is no longer
> sufficient on x868_32. Is this behaviour intended or is there just a
> EXPORT_SYMBOL missing?

Kernel changes generally don't care about out of tree modules.
Also pmd_bad() is kind of internal anyways.

-Andi
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