1 files changed, 5 insertions, 21 deletions
diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
index a2278485de19..6b22f1995c16 100644
--- a/arch/nios2/mm/init.c
+++ b/arch/nios2/mm/init.c
@@ -38,6 +38,11 @@
 
 pgd_t *pgd_current;
 
+void __init arch_zone_limits_init(unsigned long *max_zone_pfns)
+{
+	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+}
+
 /*
  * paging_init() continues the virtual memory environment setup which
  * was begun by the code in arch/head.S.
@@ -46,34 +51,13 @@ pgd_t *pgd_current;
  */
 void __init paging_init(void)
 {
-	unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
-
 	pagetable_init();
 	pgd_current = swapper_pg_dir;
 
-	max_zone_pfn[ZONE_NORMAL] = max_mapnr;
-
-	/* pass the memory from the bootmem allocator to the main allocator */
-	free_area_init(max_zone_pfn);
-
 	flush_dcache_range((unsigned long)empty_zero_page,
 			(unsigned long)empty_zero_page + PAGE_SIZE);
 }
 
-void __init mem_init(void)
-{
-	unsigned long end_mem   = memory_end; /* this must not include
-						kernel stack at top */
-
-	pr_debug("mem_init: start=%lx, end=%lx\n", memory_start, memory_end);
-
-	end_mem &= PAGE_MASK;
-	high_memory = __va(end_mem);
-
-	/* this will put all memory onto the freelists */
-	memblock_free_all();
-}
-
 void __init mmu_init(void)
 {
 	flush_tlb_all();