diff options
Diffstat (limited to 'arch/s390/mm')
-rw-r--r-- | arch/s390/mm/init.c | 35 |
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) | |||
82 | printk("%d pages swap cached\n",cached); | 82 | printk("%d pages swap cached\n",cached); |
83 | } | 83 | } |
84 | 84 | ||
85 | extern unsigned long __initdata zholes_size[]; | ||
86 | /* | 85 | /* |
87 | * paging_init() sets up the page tables | 86 | * paging_init() sets up the page tables |
88 | */ | 87 | */ |
@@ -99,16 +98,15 @@ void __init paging_init(void) | |||
99 | unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | _KERNSEG_TABLE; | 98 | unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | _KERNSEG_TABLE; |
100 | static const int ssm_mask = 0x04000000L; | 99 | static const int ssm_mask = 0x04000000L; |
101 | unsigned long ro_start_pfn, ro_end_pfn; | 100 | unsigned long ro_start_pfn, ro_end_pfn; |
102 | unsigned long zones_size[MAX_NR_ZONES]; | 101 | unsigned long max_zone_pfns[MAX_NR_ZONES]; |
103 | 102 | ||
104 | ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata); | 103 | ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata); |
105 | ro_end_pfn = PFN_UP((unsigned long)&__end_rodata); | 104 | ro_end_pfn = PFN_UP((unsigned long)&__end_rodata); |
106 | 105 | ||
107 | memset(zones_size, 0, sizeof(zones_size)); | 106 | memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); |
108 | zones_size[ZONE_DMA] = max_low_pfn; | 107 | max_zone_pfns[ZONE_DMA] = max_low_pfn; |
109 | free_area_init_node(0, &contig_page_data, zones_size, | 108 | max_zone_pfns[ZONE_NORMAL] = max_low_pfn; |
110 | __pa(PAGE_OFFSET) >> PAGE_SHIFT, | 109 | free_area_init_nodes(max_zone_pfns); |
111 | zholes_size); | ||
112 | 110 | ||
113 | /* unmap whole virtual address space */ | 111 | /* unmap whole virtual address space */ |
114 | 112 | ||
@@ -153,7 +151,6 @@ void __init paging_init(void) | |||
153 | __raw_local_irq_ssm(ssm_mask); | 151 | __raw_local_irq_ssm(ssm_mask); |
154 | 152 | ||
155 | local_flush_tlb(); | 153 | local_flush_tlb(); |
156 | return; | ||
157 | } | 154 | } |
158 | 155 | ||
159 | #else /* CONFIG_64BIT */ | 156 | #else /* CONFIG_64BIT */ |
@@ -169,26 +166,16 @@ void __init paging_init(void) | |||
169 | unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | | 166 | unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | |
170 | _KERN_REGION_TABLE; | 167 | _KERN_REGION_TABLE; |
171 | static const int ssm_mask = 0x04000000L; | 168 | static const int ssm_mask = 0x04000000L; |
172 | unsigned long zones_size[MAX_NR_ZONES]; | ||
173 | unsigned long dma_pfn, high_pfn; | ||
174 | unsigned long ro_start_pfn, ro_end_pfn; | 169 | unsigned long ro_start_pfn, ro_end_pfn; |
170 | unsigned long max_zone_pfns[MAX_NR_ZONES]; | ||
175 | 171 | ||
176 | memset(zones_size, 0, sizeof(zones_size)); | ||
177 | dma_pfn = MAX_DMA_ADDRESS >> PAGE_SHIFT; | ||
178 | high_pfn = max_low_pfn; | ||
179 | ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata); | 172 | ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata); |
180 | ro_end_pfn = PFN_UP((unsigned long)&__end_rodata); | 173 | ro_end_pfn = PFN_UP((unsigned long)&__end_rodata); |
181 | 174 | ||
182 | if (dma_pfn > high_pfn) | 175 | memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); |
183 | zones_size[ZONE_DMA] = high_pfn; | 176 | max_zone_pfns[ZONE_DMA] = PFN_DOWN(MAX_DMA_ADDRESS); |
184 | else { | 177 | max_zone_pfns[ZONE_NORMAL] = max_low_pfn; |
185 | zones_size[ZONE_DMA] = dma_pfn; | 178 | free_area_init_nodes(max_zone_pfns); |
186 | zones_size[ZONE_NORMAL] = high_pfn - dma_pfn; | ||
187 | } | ||
188 | |||
189 | /* Initialize mem_map[]. */ | ||
190 | free_area_init_node(0, &contig_page_data, zones_size, | ||
191 | __pa(PAGE_OFFSET) >> PAGE_SHIFT, zholes_size); | ||
192 | 179 | ||
193 | /* | 180 | /* |
194 | * map whole physical memory to virtual memory (identity mapping) | 181 | * map whole physical memory to virtual memory (identity mapping) |
@@ -237,8 +224,6 @@ void __init paging_init(void) | |||
237 | __raw_local_irq_ssm(ssm_mask); | 224 | __raw_local_irq_ssm(ssm_mask); |
238 | 225 | ||
239 | local_flush_tlb(); | 226 | local_flush_tlb(); |
240 | |||
241 | return; | ||
242 | } | 227 | } |
243 | #endif /* CONFIG_64BIT */ | 228 | #endif /* CONFIG_64BIT */ |
244 | 229 | ||