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>
@@ -209,6 +209,7 @@ SECTIONS {
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)