x86: unify kernel_physical_mapping_init() function signatures

Impact: cleanup

In preparation for moving the function declaration to a header file,
unify 32-bit and 64-bit signatures.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1236257708-27269-16-git-send-email-penberg@cs.helsinki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 10 insertions, 3 deletions

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index e9df0d9cdeb6..5ca9c6c3439e 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -223,10 +223,13 @@ static inline int is_kernel_text(unsigned long addr)
  * of max_low_pfn pages, by creating page tables starting from address
  * PAGE_OFFSET:
  */
-void __init kernel_physical_mapping_init(unsigned long start_pfn,
-                                         unsigned long end_pfn,
-                                         int use_pse)
+unsigned long __init
+kernel_physical_mapping_init(unsigned long start,
+                             unsigned long end,
+                             unsigned long page_size_mask)
 {
+        int use_pse = page_size_mask == (1<<PG_LEVEL_2M);
+        unsigned long start_pfn, end_pfn;
         pgd_t *pgd_base = swapper_pg_dir;
         int pgd_idx, pmd_idx, pte_ofs;
         unsigned long pfn;
@@ -236,6 +239,9 @@ void __init kernel_physical_mapping_init(unsigned long start_pfn,
         unsigned pages_2m, pages_4k;
         int mapping_iter;
 
+        start_pfn = start >> PAGE_SHIFT;
+        end_pfn = end >> PAGE_SHIFT;
+
         /*
          * First iteration will setup identity mapping using large/small pages
          * based on use_pse, with other attributes same as set by
@@ -350,6 +356,7 @@ repeat:
                 mapping_iter = 2;
                 goto repeat;
         }
+        return 0;
 }
 
 pte_t *kmap_pte;