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SubjectRe: [PATCH 2/3] m68k/page_no.h: force __va argument to be unsigned long
On Tue 03-07-18 13:29:54, Mike Rapoport wrote:
> Add explicit casting to unsigned long to the __va() parameter

Why is this needed?

> Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
> ---
> arch/m68k/include/asm/page_no.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/m68k/include/asm/page_no.h b/arch/m68k/include/asm/page_no.h
> index e644c4d..6bbe520 100644
> --- a/arch/m68k/include/asm/page_no.h
> +++ b/arch/m68k/include/asm/page_no.h
> @@ -18,7 +18,7 @@ extern unsigned long memory_end;
> #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
>
> #define __pa(vaddr) ((unsigned long)(vaddr))
> -#define __va(paddr) ((void *)(paddr))
> +#define __va(paddr) ((void *)((unsigned long)(paddr)))
>
> #define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
> #define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT)
> --
> 2.7.4

--
Michal Hocko
SUSE Labs

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