Commit 3d43ecd2 authored Jul 09, 2008 by Yinghai Lu Committed by Ingo Molnar Jul 10, 2008

x86: make e820_end return end_of_ram again for 64bit



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>

parent f34fa82b

arch/x86/kernel/e820.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -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)