[IA64] define "_sdata" symbol
core_kernel_data() wants to know if an address looks like kernel
data. IA64 has had _edata forever, but never needed _sdata until
now.
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 787de4a..53c0ba0 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -209,6 +209,7 @@
data : {
} :data
.data : AT(ADDR(.data) - LOAD_OFFSET) {
+ _sdata = .;
INIT_TASK_DATA(PAGE_SIZE)
CACHELINE_ALIGNED_DATA(SMP_CACHE_BYTES)
READ_MOSTLY_DATA(SMP_CACHE_BYTES)