powerpc: Use RCU based pte freeing mechanism for all powerpc

Refactor the RCU based pte free code that was used on ppc64 to be used
on all powerpc.

Additionally refactor pte_free() & pte_free_kernel() into common code
between ppc32 & ppc64.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 0 insertions, 21 deletions

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 44fbc81c9b2c..c7b755cba26a 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -48,10 +48,6 @@ EXPORT_SYMBOL(ioremap_bot);	/* aka VMALLOC_END */
 
 extern char etext[], _stext[];
 
-#if defined(CONFIG_SMP) && defined(CONFIG_PPC_STD_MMU_32)
-extern void hash_page_sync(void);
-#endif
-
 #ifdef HAVE_BATS
 extern phys_addr_t v_mapped_by_bats(unsigned long va);
 extern unsigned long p_mapped_by_bats(phys_addr_t pa);
@@ -125,23 +121,6 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
         return ptepage;
 }
 
-void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
-{
-#if defined(CONFIG_SMP) && defined(CONFIG_PPC_STD_MMU_32)
-        hash_page_sync();
-#endif
-        free_page((unsigned long)pte);
-}
-
-void pte_free(struct mm_struct *mm, pgtable_t ptepage)
-{
-#if defined(CONFIG_SMP) && defined(CONFIG_PPC_STD_MMU_32)
-        hash_page_sync();
-#endif
-        pgtable_page_dtor(ptepage);
-        __free_page(ptepage);
-}
-
 void __iomem *
 ioremap(phys_addr_t addr, unsigned long size)
 {