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authorHeiko Carstens <heiko.carstens@de.ibm.com>2006-10-04 20:02:19 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-10-04 20:02:19 +0200
commit7676bef9c183fd573822cac9992927ef596d584c (patch)
tree1bf18f9cfda947b23e69d47b84500614a59ba95e /arch/s390/mm
parentcb601d41c175b7419efc91075a714d6a157bb0ac (diff)
downloadop-kernel-dev-7676bef9c183fd573822cac9992927ef596d584c.zip
op-kernel-dev-7676bef9c183fd573822cac9992927ef596d584c.tar.gz
[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>
Diffstat (limited to 'arch/s390/mm')
-rw-r--r--arch/s390/mm/init.c35
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 */
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