[PATCH] ppc: Fix ppc32 build after 64K pages

Oops, some last minute changes caused the 64K pages patch to break ppc32
build, this fixes it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/powerpc/Kconfig

@@ -605,6 +605,7 @@ config NODES_SPAN_OTHER_NODES
 
 config PPC_64K_PAGES
 	bool "64k page size"
+	depends on PPC64
 	help
 	  This option changes the kernel logical page size to 64k. On machines
           without processor support for 64k pages, the kernel will simulate

arch/powerpc/mm/ppc_mmu_32.c

@@ -188,9 +188,9 @@ void hash_preload(struct mm_struct *mm, unsigned long ea,
 
 	if (Hash == 0)
 		return;
-	pmd = pmd_offset(pgd_offset(vma->vm_mm, address), address);
+	pmd = pmd_offset(pgd_offset(mm, ea), ea);
 	if (!pmd_none(*pmd))
-		add_hash_page(vma->vm_mm->context, address, pmd_val(*pmd));
+		add_hash_page(mm->context, ea, pmd_val(*pmd));
 }
 
 /*