[PATCH] powerpc: Remove calculation of io hole

In mm_init_ppc64() we calculate the location of the "IO hole", but then
no one ever looks at the value. So don't bother.

That's actually all mm_init_ppc64() does, so get rid of it too.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

2 files changed, 0 insertions, 3 deletions

diff --git a/include/asm-powerpc/lmb.h b/include/asm-powerpc/lmb.h
index 377ac1b23aa3..0c5880f70225 100644
--- a/include/asm-powerpc/lmb.h
+++ b/include/asm-powerpc/lmb.h
@@ -54,8 +54,6 @@ extern void __init lmb_enforce_memory_limit(unsigned long memory_limit);
 
 extern void lmb_dump_all(void);
 
-extern unsigned long io_hole_start;
-
 static inline unsigned long
 lmb_size_bytes(struct lmb_region *type, unsigned long region_nr)
 {
diff --git a/include/asm-powerpc/mmu.h b/include/asm-powerpc/mmu.h
index b0b9a3f8cdc2..31f721994bd8 100644
--- a/include/asm-powerpc/mmu.h
+++ b/include/asm-powerpc/mmu.h
@@ -236,7 +236,6 @@ extern void htab_initialize_secondary(void);
 extern void hpte_init_native(void);
 extern void hpte_init_lpar(void);
 extern void hpte_init_iSeries(void);
-extern void mm_init_ppc64(void);
 
 extern long pSeries_lpar_hpte_insert(unsigned long hpte_group,
                                      unsigned long va, unsigned long prpn,