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SubjectRe: [PATCH] x86: e820 max_arch_pfn typo fix for 64 bit
Yinghai Lu wrote:
> should use right shift
>
> Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
>
> Index: linux-2.6/arch/x86/kernel/e820.c
> ===================================================================
> --- linux-2.6.orig/arch/x86/kernel/e820.c
> +++ linux-2.6/arch/x86/kernel/e820.c
> @@ -771,7 +771,7 @@ u64 __init early_reserve_e820(u64 startt
> # define MAX_ARCH_PFN (1ULL<<(32-PAGE_SHIFT))
> # endif
> #else /* CONFIG_X86_32 */
> -# define MAX_ARCH_PFN MAXMEM<<PAGE_SHIFT
> +# define MAX_ARCH_PFN MAXMEM>>PAGE_SHIFT
> #endif
>

Should also use parens (operator inside a macro).

-hpa


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