[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 127044e1707c..c302508ae31e 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 */