powerpc/hugetlbfs: Export HPAGE_SHIFT

Export it so it can be referenced inside a module.

Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 94e56b1..1965908 100644 (file)
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -32,6 +32,7 @@
 #define PAGE_SHIFT_16G 34
 
 unsigned int HPAGE_SHIFT;
+EXPORT_SYMBOL(HPAGE_SHIFT);
 
 /*
  * Tracks gpages after the device tree is scanned and before the