x86: make e820_end return max ram type only for 32 bit

to avoid warning from find_low_pfn_range for high pages size etc

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 2e08619a9c5c2b4bc947e775ca0cc97e82b80ab3..292ebc7fe4d0ac0261f1c0fc2906cc045860867b 100644 (file)
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1066,6 +1066,11 @@ 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)
                        last_pfn = end_pfn;