[email protected] wrote:
> sparsemem-memory-model.patch references SECTIONS_SHIFT without defining it.
>
> Caught this while compiling with -Wundef, causes lots of warnings
> when it gets used in include/linux/mm.h. The appended patch Works For Me,
> although I wonder if the *real* problem isn't a missing '#ifdef CONFIG_SPARSEMEM'
> around the code that uses it in mm.h.
>
> Signed-Off-By: [email protected]
>
> --- linux-2.6.12-rc5-mm1/include/linux/mmzone.h.ifdef 2005-05-27 15:12:26.000000000 -0400
> +++ linux-2.6.12-rc5-mm1/include/linux/mmzone.h 2005-05-27 16:26:40.000000000 -0400
> @@ -568,6 +568,7 @@ static inline int pfn_valid(unsigned lon
> void sparse_init(void);
> #else
> #define sparse_init() do {} while (0)
> +#define SECTIONS_SHIFT 0
> #endif /* CONFIG_SPARSEMEM */
>
> #ifdef CONFIG_NODES_SPAN_OTHER_NODES
Odd. I guess there must be a reference from an unused function to this
define when SPARSEMEM is off. Can you send me your .config please and
I'll have a look.
-apw
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