[PATCH] x86: make e820_end return end_of_ram again for 64bit

From: Yinghai Lu
Date: Wed Jul 09 2008 - 23:19:06 EST



even for 64bit system with less 4G, we can 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@xxxxxxxxx>

---
arch/x86/kernel/e820.c | 2 --
1 file changed, 2 deletions(-)

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
@@ -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)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/