[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>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 5ea12a5..aa39591 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -106,8 +106,8 @@
}
}
-extern unsigned long __initdata zholes_size[];
extern void vmem_map_init(void);
+
/*
* paging_init() sets up the page tables
*/
@@ -117,8 +117,7 @@
int i;
unsigned long pgdir_k;
static const int ssm_mask = 0x04000000L;
- unsigned long zones_size[MAX_NR_ZONES];
- unsigned long dma_pfn, high_pfn;
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
pg_dir = swapper_pg_dir;
@@ -142,20 +141,10 @@
__ctl_load(pgdir_k, 13, 13);
__raw_local_irq_ssm(ssm_mask);
- memset(zones_size, 0, sizeof(zones_size));
- dma_pfn = MAX_DMA_ADDRESS >> PAGE_SHIFT;
- high_pfn = max_low_pfn;
-
- 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);
}
void __init mem_init(void)