diff options
Diffstat (limited to 'arch/x86/mm/srat_64.c')
| -rw-r--r-- | arch/x86/mm/srat_64.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c index 1bae9c855ce..fb43d89f46f 100644 --- a/arch/x86/mm/srat_64.c +++ b/arch/x86/mm/srat_64.c @@ -32,6 +32,10 @@ static struct bootnode nodes_add[MAX_NUMNODES]; 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) @@ -41,17 +45,17 @@ static __init int setup_node(int pxm) 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; } @@ -258,7 +262,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) 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", @@ -283,10 +287,10 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) 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); @@ -298,6 +302,11 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) 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). @@ -368,7 +377,8 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end) 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"); |