powerpc: Shield code specific to 64-bit server processors

[deliverable/linux.git] / arch / powerpc / include / asm / pgtable-ppc64.h

diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index c40db05f21e000a3682bf5a828ede9612cb710ec..8cd083c6150384eeca4c28a38d5a49e643efab1a 100644 (file)
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -31,9 +31,11 @@
 #error TASK_SIZE_USER64 exceeds pagetable range
 #endif
 
+#ifdef CONFIG_PPC_STD_MMU_64
 #if TASK_SIZE_USER64 > (1UL << (USER_ESID_BITS + SID_SHIFT))
 #error TASK_SIZE_USER64 exceeds user VSID range
 #endif
+#endif
 
 /*
  * Define the address range of the vmalloc VM area.
@@ -199,8 +201,11 @@ static inline unsigned long pte_update(struct mm_struct *mm,
        if (!huge)
                assert_pte_locked(mm, addr);
 
+#ifdef CONFIG_PPC_STD_MMU_64
        if (old & _PAGE_HASHPTE)
                hpte_need_flush(mm, addr, ptep, old, huge);
+#endif
+
        return old;
 }