[POWERPC] Cleanup pgtable-ppc32.h

* Removed defines KERNEL_PGD_PTRS & USER_PGD_PTRS since they aren't
  used anywhere
* Changed pmd_page macro to use pfn_to_page so we get proper behavior
  if ARCH_PFN_OFFSET is set as well if we use a different memory model
  on ppc32.

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

1 files changed, 1 insertions, 4 deletions

diff --git a/include/asm-powerpc/pgtable-ppc32.h b/include/asm-powerpc/pgtable-ppc32.h
index bd5b4011c53b..daea7692d070 100644
--- a/include/asm-powerpc/pgtable-ppc32.h
+++ b/include/asm-powerpc/pgtable-ppc32.h
@@ -98,9 +98,6 @@ extern int icache_44x_need_flush;
 #define USER_PTRS_PER_PGD       (TASK_SIZE / PGDIR_SIZE)
 #define FIRST_USER_ADDRESS      0
 
-#define USER_PGD_PTRS (PAGE_OFFSET >> PGDIR_SHIFT)
-#define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS)
-
 #define pte_ERROR(e) \
         printk("%s:%d: bad pte %llx.\n", __FILE__, __LINE__, \
                 (unsigned long long)pte_val(e))
@@ -693,7 +690,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
 #define pmd_page_vaddr(pmd)     \
         ((unsigned long) (pmd_val(pmd) & PAGE_MASK))
 #define pmd_page(pmd)           \
-        (mem_map + (__pa(pmd_val(pmd)) >> PAGE_SHIFT))
+        pfn_to_page((__pa(pmd_val(pmd)) >> PAGE_SHIFT))
 #endif
 
 /* to find an entry in a kernel page-table-directory */