[PATCH] sparc: Export needed symbol for ZERO_PAGE usage in modules.

["Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>]

ext4 use ZERO_PAGE(0) to zero out blocks. We need to export
different symbols in different arch for the usage of ZERO_PAGE
in modules.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 arch/sparc/kernel/sparc_ksyms.c |    2 ++
 arch/sparc64/mm/init.c          |    1 +
 2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index c1025e5..e902846 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -295,3 +295,5 @@ EXPORT_SYMBOL(do_BUG);
 
 /* Sun Power Management Idle Handler */
 EXPORT_SYMBOL(pm_idle);
+
+EXPORT_SYMBOL(empty_zero_page);
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index b5c3041..2d15f92 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -159,6 +159,7 @@ extern unsigned int sparc_ramdisk_image;
 extern unsigned int sparc_ramdisk_size;
 
 struct page *mem_map_zero __read_mostly;
+EXPORT_SYMBOL(mem_map_zero);
 
 unsigned int sparc64_highest_unlocked_tlb_ent __read_mostly;
 
-- 
1.5.5.rc0.16.g02b00.dirty