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x86: make e820_end return end_of_ram again for 64bit

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even on 64bit systems with less than 4G RAM, we can now use fixmap
to handle acpi SIT near end of ram.

change e820_end to e820_end_of_ram again?
or e820_ram_pfn?

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2008-07-09 20:17:50 -07:00 committed by Ingo Molnar
parent f34fa82b19
commit 3d43ecd286
1 changed files with 0 additions and 2 deletions
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arch/x86/kernel/e820.c
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@ -1066,10 +1066,8 @@ unsigned long __init e820_end(void)
struct e820entry *ei = &e820.map[i];
unsigned long end_pfn;
#ifdef CONFIG_X86_32
if (ei->type != E820_RAM)
continue;
#endif
end_pfn = (ei->addr + ei->size) >> PAGE_SHIFT;
if (end_pfn > last_pfn)