static int found_add_area __initdata;
int hotadd_percent __initdata = 0;
+static int num_node_memblks __initdata;
+static struct bootnode node_memblk_range[NR_NODE_MEMBLKS] __initdata;
+static int memblk_nodeid[NR_NODE_MEMBLKS] __initdata;
+
/* Too small nodes confuse the VM badly. Usually they result
from BIOS bugs. */
#define NODE_MIN_SIZE (4*1024*1024)
return acpi_map_pxm_to_node(pxm);
}
-static __init int conflicting_nodes(unsigned long start, unsigned long end)
+static __init int conflicting_memblks(unsigned long start, unsigned long end)
{
int i;
- for_each_node_mask(i, nodes_parsed) {
- struct bootnode *nd = &nodes[i];
+ for (i = 0; i < num_node_memblks; i++) {
+ struct bootnode *nd = &node_memblk_range[i];
if (nd->start == nd->end)
continue;
if (nd->end > start && nd->start < end)
- return i;
+ return memblk_nodeid[i];
if (nd->end == end && nd->start == start)
- return i;
+ return memblk_nodeid[i];
}
return -1;
}
bad_srat();
return;
}
- i = conflicting_nodes(start, end);
+ i = conflicting_memblks(start, end);
if (i == node) {
printk(KERN_WARNING
"SRAT: Warning: PXM %d (%lx-%lx) overlaps with itself (%Lx-%Lx)\n",
nd->end = end;
}
- printk(KERN_INFO "SRAT: Node %u PXM %u %Lx-%Lx\n", node, pxm,
- nd->start, nd->end);
- e820_register_active_regions(node, nd->start >> PAGE_SHIFT,
- nd->end >> PAGE_SHIFT);
+ printk(KERN_INFO "SRAT: Node %u PXM %u %lx-%lx\n", node, pxm,
+ start, end);
+ e820_register_active_regions(node, start >> PAGE_SHIFT,
+ end >> PAGE_SHIFT);
push_node_boundaries(node, nd->start >> PAGE_SHIFT,
nd->end >> PAGE_SHIFT);
if ((nd->start | nd->end) == 0)
node_clear(node, nodes_parsed);
}
+
+ node_memblk_range[num_node_memblks].start = start;
+ node_memblk_range[num_node_memblks].end = end;
+ memblk_nodeid[num_node_memblks] = node;
+ num_node_memblks++;
}
/* Sanity check to catch more bad SRATs (they are amazingly common).
return -1;
}
- memnode_shift = compute_hash_shift(nodes, MAX_NUMNODES);
+ memnode_shift = compute_hash_shift(node_memblk_range, num_node_memblks,
+ memblk_nodeid);
if (memnode_shift < 0) {
printk(KERN_ERR
"SRAT: No NUMA node hash function found. Contact maintainer\n");