aboutsummaryrefslogtreecommitdiff
path: root/arch/x86_64/mm/init.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86_64/mm/init.c')
-rw-r--r--arch/x86_64/mm/init.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 72e4b364ed7..aa4a5189ece 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -322,18 +322,26 @@ void zap_low_mappings(void)
void __init paging_init(void)
{
{
- unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
+ unsigned long zones_size[MAX_NR_ZONES];
+ unsigned long holes[MAX_NR_ZONES];
unsigned int max_dma;
+ memset(zones_size, 0, sizeof(zones_size));
+ memset(holes, 0, sizeof(holes));
+
max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
- if (end_pfn < max_dma)
+ if (end_pfn < max_dma) {
zones_size[ZONE_DMA] = end_pfn;
- else {
+ holes[ZONE_DMA] = e820_hole_size(0, end_pfn);
+ } else {
zones_size[ZONE_DMA] = max_dma;
+ holes[ZONE_DMA] = e820_hole_size(0, max_dma);
zones_size[ZONE_NORMAL] = end_pfn - max_dma;
+ holes[ZONE_NORMAL] = e820_hole_size(max_dma, end_pfn);
}
- free_area_init(zones_size);
+ free_area_init_node(0, NODE_DATA(0), zones_size,
+ __pa(PAGE_OFFSET) >> PAGE_SHIFT, holes);
}
return;
}