[POWERPC] Add __init annotations to reserve_mem() and stabs_alloc()

reserve_mem() and stabs_alloc() are both called only from other __init
routines, so can be marked __init.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 87efb42..eee3555 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -967,7 +967,7 @@
  * If problems seem to show up, it would be a good start to track
  * them down.
  */
-static void reserve_mem(u64 base, u64 size)
+static void __init reserve_mem(u64 base, u64 size)
 {
 	u64 top = base + size;
 	unsigned long cnt = RELOC(mem_reserve_cnt);
diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c
index eeeacab..132c6bc 100644
--- a/arch/powerpc/mm/stab.c
+++ b/arch/powerpc/mm/stab.c
@@ -227,7 +227,7 @@
  * the first (bolted) segment, so that do_stab_bolted won't get a
  * recursive segment miss on the segment table itself.
  */
-void stabs_alloc(void)
+void __init stabs_alloc(void)
 {
 	int cpu;