ARM: pgtable: get rid of get_pgd_slow()/free_pgd_slow()

These old names are just aliases for pgd_alloc/pgd_free.  Just use the
new names.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c
index 69bbfc6..e3eda56 100644
--- a/arch/arm/mm/pgd.c
+++ b/arch/arm/mm/pgd.c
@@ -22,7 +22,7 @@
 /*
  * need to get a 16k page for level 1
  */
-pgd_t *get_pgd_slow(struct mm_struct *mm)
+pgd_t *pgd_alloc(struct mm_struct *mm)
 {
 	pgd_t *new_pgd, *init_pgd;
 	pmd_t *new_pmd, *init_pmd;
@@ -73,7 +73,7 @@
 	return NULL;
 }
 
-void free_pgd_slow(struct mm_struct *mm, pgd_t *pgd)
+void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 {
 	pmd_t *pmd;
 	pgtable_t pte;