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SubjectRe: [PATCH 2.6.19 1/4] ehca: assure 4k alignment for firmware control block in 64k page mode
> +#ifdef CONFIG_PPC_64K_PAGES
> +void *ehca_alloc_fw_ctrlblock(void);
> +void ehca_free_fw_ctrlblock(void *ptr);
> +#else
> +#define ehca_alloc_fw_ctrlblock() get_zeroed_page(GFP_KERNEL)
> +#define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
> +#endif

Maybe you want to make sure that ehca_alloc_fw_ctrlblock() always returns a
void pointer, so you can avoid all the casts in your code?

static inline void *ehca_alloc_fw_ctrlblock(void)
return (void *)get_zeroed_page(GFP_KERNEL);
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