#include <asm/e820.h>
#include <asm/setup.h>
#include <asm/mmzone.h>
+#include <bios_ebda.h>
struct pglist_data *node_data[MAX_NUMNODES];
bootmem_data_t node0_bdata;
return reserve_pages;
}
+/*
+ * workaround for Dell systems that neglect to reserve EBDA
+ */
+static void __init reserve_ebda_region_node(void)
+{
+ unsigned int addr;
+ addr = get_bios_ebda();
+ if (addr)
+ reserve_bootmem_node(NODE_DATA(0), addr, PAGE_SIZE);
+}
+
unsigned long __init setup_memory(void)
{
int nid;
*/
reserve_bootmem_node(NODE_DATA(0), PAGE_SIZE, PAGE_SIZE);
+ /* reserve EBDA region, it's a 4K region */
+ reserve_ebda_region_node();
+
#ifdef CONFIG_ACPI_SLEEP
/*
* Reserve low memory region for sleep support.
* remapped KVA area - mbligh
*/
if (!nid)
- free_area_init_node(nid, NODE_DATA(nid), 0,
- zones_size, start, zholes_size);
+ free_area_init_node(nid, NODE_DATA(nid),
+ zones_size, start, zholes_size);
else {
unsigned long lmem_map;
lmem_map = (unsigned long)node_remap_start_vaddr[nid];
lmem_map += sizeof(pg_data_t) + PAGE_SIZE - 1;
lmem_map &= PAGE_MASK;
- free_area_init_node(nid, NODE_DATA(nid),
- (struct page *)lmem_map, zones_size,
+ NODE_DATA(nid)->node_mem_map = (struct page *)lmem_map;
+ free_area_init_node(nid, NODE_DATA(nid), zones_size,
start, zholes_size);
}
}