x86: Print out RAM buffer information

So we can check that early in the bootlog.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1265793639-15071-11-git-send-email-yinghai@kernel.org>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index a966b753e496..f406efeb4dc4 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1429,6 +1429,8 @@ void __init e820_reserve_resources_late(void)
                         end = MAX_RESOURCE_SIZE;
                 if (start >= end)
                         continue;
+                printk(KERN_DEBUG "reserve RAM buffer: %016llx - %016llx ",
+                               start, end);
                 reserve_region_with_split(&iomem_resource, start, end,
                                           "RAM buffer");
         }