On Wed, 25 Apr 2007 22:45:09 -0700 Randy Dunlap <[email protected]> wrote:
> From: Randy Dunlap <[email protected]>
>
> Eliminate 19439 (!!) sparse warnings like:
> include/linux/mm.h:321:22: warning: constant 0xffff810000000000 is so big it is unsigned long
>
> Eliminate 56 sparse warnings like:
> arch/x86_64/kernel/setup.c:248:16: warning: constant 0xffffffff80000000 is so big it is unsigned long
>
> Eliminate 5 sparse warnings like:
> arch/x86_64/kernel/module.c:49:13: warning: constant 0xfffffffffff00000 is so big it is unsigned long
>
> Eliminate 23 sparse warnings like:
> arch/x86_64/mm/init.c:551:37: warning: constant 0xffffc20000000000 is so big it is unsigned long
>
> Eliminate 6 sparse warnings like:
> arch/x86_64/kernel/module.c:49:13: warning: constant 0xffffffff88000000 is so big it is unsigned long
>
> Eliminate 23 sparse warnings like:
> arch/x86_64/mm/init.c:552:6: warning: constant 0xffffe1ffffffffff is so big it is unsigned long
>
> Eliminate 3 sparse warnings like:
> arch/x86_64/kernel/e820.c:186:17: warning: constant 0x3fffffffffff is so big it is long
>
> ...
>
> +#ifdef __ASSEMBLY__
> #define MAXMEM 0x3fffffffffff
> #define VMALLOC_START 0xffffc20000000000
> #define VMALLOC_END 0xffffe1ffffffffff
> #define MODULES_VADDR 0xffffffff88000000
> #define MODULES_END 0xfffffffffff00000
> #define MODULES_LEN (MODULES_END - MODULES_VADDR)
> +#else
> +#define MAXMEM 0x3fffffffffffUL
> +#define VMALLOC_START 0xffffc20000000000UL
> +#define VMALLOC_END 0xffffe1ffffffffffUL
> +#define MODULES_VADDR 0xffffffff88000000UL
> +#define MODULES_END 0xfffffffffff00000UL
> +#define MODULES_LEN (MODULES_END - MODULES_VADDR)
> +#endif
>
hm, the duplication is unfortunate.
I wonder if it's worth doing a cpp token-pasting trick to avoid having to
do that.
-
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