1 files changed, 1 insertions, 0 deletions

diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index d8ea250f3925..9e94d834624b 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -620,6 +620,7 @@ void __init parse_memmapopt(char *p, char **from)
 }
 
 unsigned long pci_mem_start = 0xaeedbabe;
+EXPORT_SYMBOL(pci_mem_start);
 
 /*
  * Search for the biggest gap in the low 32 bits of the e820