Re: [PATCH] x86: e820 max_arch_pfn typo fix for 64 bit
From: H. Peter Anvin
Date: Wed Jun 04 2008 - 18:47:59 EST
Yinghai Lu wrote:
should use right shift
Signed-off-by: Yinghai Lu <yhlu.kernel@xxxxxxxxx>
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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