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| author |   Heiko Carstens <heiko.carstens@de.ibm.com> | 2006-12-08 15:56:10 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2006-12-08 15:56:10 +0100 |
| commit | 39b742f957a287a7514a8a35c9f516cdf30b9ff5 (patch) | |
| tree | 4b4e9c0747bb047e906fed6c04919c00ccfa2b35 /arch/s390/mm | |
| parent | [S390] Virtual memmap for s390. (diff) | |
| download | linux-dev-39b742f957a287a7514a8a35c9f516cdf30b9ff5.tar.xz linux-dev-39b742f957a287a7514a8a35c9f516cdf30b9ff5.zip | |
[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')
| -rw-r--r-- | arch/s390/mm/init.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 5ea12a573cad..aa39591ca130 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) |