x86: ifdef 32-bit specific setup in init_memory_mapping()

Impact: cleanup

Enabling NX, PSE, and PGE are only required on 32-bit so ifdef them
in both versions of the function.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1236257708-27269-5-git-send-email-penberg@cs.helsinki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index cfc68d601380..eb98cb90cb39 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -948,6 +948,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
         use_gbpages = direct_gbpages;
 #endif
 
+#ifdef CONFIG_X86_32
 #ifdef CONFIG_X86_PAE
         set_nx();
         if (nx_enabled)
@@ -963,6 +964,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
                 set_in_cr4(X86_CR4_PGE);
                 __supported_pte_mask |= _PAGE_GLOBAL;
         }
+#endif
 
         if (use_gbpages)
                 page_size_mask |= 1 << PG_LEVEL_1G;