[S390] Have s390 use add_active_range() and free_area_init_nodes.

Size zones and holes in an architecture independent manner for s390.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

1 files changed, 10 insertions, 25 deletions

diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 127044e..c302508 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -82,7 +82,6 @@ void show_mem(void)
         printk("%d pages swap cached\n",cached);
 }
 
-extern unsigned long __initdata zholes_size[];
 /*
  * paging_init() sets up the page tables
  */
@@ -99,16 +98,15 @@ void __init paging_init(void)
         unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | _KERNSEG_TABLE;
         static const int ssm_mask = 0x04000000L;
 	unsigned long ro_start_pfn, ro_end_pfn;
-	unsigned long zones_size[MAX_NR_ZONES];
+	unsigned long max_zone_pfns[MAX_NR_ZONES];
 
 	ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata);
 	ro_end_pfn = PFN_UP((unsigned long)&__end_rodata);
 
-	memset(zones_size, 0, sizeof(zones_size));
-	zones_size[ZONE_DMA] = max_low_pfn;
-	free_area_init_node(0, &contig_page_data, zones_size,
-			    __pa(PAGE_OFFSET) >> PAGE_SHIFT,
-			    zholes_size);
+	memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+	max_zone_pfns[ZONE_DMA] = max_low_pfn;
+	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+	free_area_init_nodes(max_zone_pfns);
 
 	/* unmap whole virtual address space */
 	
@@ -153,7 +151,6 @@ void __init paging_init(void)
 	__raw_local_irq_ssm(ssm_mask);
 
         local_flush_tlb();
-        return;
 }
 
 #else /* CONFIG_64BIT */
@@ -169,26 +166,16 @@ void __init paging_init(void)
         unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) |
           _KERN_REGION_TABLE;
 	static const int ssm_mask = 0x04000000L;
-	unsigned long zones_size[MAX_NR_ZONES];
-	unsigned long dma_pfn, high_pfn;
 	unsigned long ro_start_pfn, ro_end_pfn;
+	unsigned long max_zone_pfns[MAX_NR_ZONES];
 
-	memset(zones_size, 0, sizeof(zones_size));
-	dma_pfn = MAX_DMA_ADDRESS >> PAGE_SHIFT;
-	high_pfn = max_low_pfn;
 	ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata);
 	ro_end_pfn = PFN_UP((unsigned long)&__end_rodata);
 
-	if (dma_pfn > high_pfn)
-		zones_size[ZONE_DMA] = high_pfn;
-	else {
-		zones_size[ZONE_DMA] = dma_pfn;
-		zones_size[ZONE_NORMAL] = high_pfn - dma_pfn;
-	}
-
-	/* Initialize mem_map[].  */
-	free_area_init_node(0, &contig_page_data, zones_size,
-			    __pa(PAGE_OFFSET) >> PAGE_SHIFT, zholes_size);
+	memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+	max_zone_pfns[ZONE_DMA] = PFN_DOWN(MAX_DMA_ADDRESS);
+	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+	free_area_init_nodes(max_zone_pfns);
 
 	/*
 	 * map whole physical memory to virtual memory (identity mapping) 
@@ -237,8 +224,6 @@ void __init paging_init(void)
 	__raw_local_irq_ssm(ssm_mask);
 
         local_flush_tlb();
-
-        return;
 }
 #endif /* CONFIG_64BIT */