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mm: free_area_init: use maximal zone PFNs rather than zone sizes
[linux-2.6-microblaze.git]
/
arch
/
alpha
/
mm
/
init.c
diff --git
a/arch/alpha/mm/init.c
b/arch/alpha/mm/init.c
index
12e218d
..
667cd21
100644
(file)
--- a/
arch/alpha/mm/init.c
+++ b/
arch/alpha/mm/init.c
@@
-243,21
+243,17
@@
callback_init(void * kernel_end)
*/
void __init paging_init(void)
{
*/
void __init paging_init(void)
{
- unsigned long
zones_size
[MAX_NR_ZONES] = {0, };
- unsigned long dma_pfn
, high_pfn
;
+ unsigned long
max_zone_pfn
[MAX_NR_ZONES] = {0, };
+ unsigned long dma_pfn;
dma_pfn = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
dma_pfn = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
-
high_pfn =
max_pfn = max_low_pfn;
+ max_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;
- }
+ max_zone_pfn[ZONE_DMA] = dma_pfn;
+ max_zone_pfn[ZONE_NORMAL] = max_pfn;
/* Initialize mem_map[]. */
/* Initialize mem_map[]. */
- free_area_init(
zones_size
);
+ free_area_init(
max_zone_pfn
);
/* Initialize the kernel's ZERO_PGE. */
memset((void *)ZERO_PGE, 0, PAGE_SIZE);
/* Initialize the kernel's ZERO_PGE. */
memset((void *)ZERO_PGE, 0, PAGE_SIZE);