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authorHeiko Carstens <heiko.carstens@de.ibm.com>2006-12-08 15:56:10 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-12-08 15:56:10 +0100
commit39b742f957a287a7514a8a35c9f516cdf30b9ff5 (patch)
tree4b4e9c0747bb047e906fed6c04919c00ccfa2b35 /arch/s390/mm/init.c
parentf4eb07c17df2e6cf9bd58bfcd9cc9e05e9489d07 (diff)
downloadop-kernel-dev-39b742f957a287a7514a8a35c9f516cdf30b9ff5.zip
op-kernel-dev-39b742f957a287a7514a8a35c9f516cdf30b9ff5.tar.gz
[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>
Diffstat (limited to 'arch/s390/mm/init.c')
-rw-r--r--arch/s390/mm/init.c23
1 files changed, 6 insertions, 17 deletions
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 @@ static void __init setup_ro_region(void)
}
}
-extern unsigned long __initdata zholes_size[];
extern void vmem_map_init(void);
+
/*
* paging_init() sets up the page tables
*/
@@ -117,8 +117,7 @@ void __init paging_init(void)
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 @@ void __init paging_init(void)
__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)
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