diff options
| author | Suresh Siddha <suresh.b.siddha@intel.com> | 2007-05-02 17:27:20 (GMT) |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 17:27:20 (GMT) |
| commit | e3f1caeef9a70b0699518092d653c15274b025ab (patch) | |
| tree | 23d89175f809cb7a53377fa68b295f6ce162f99b /arch/x86_64/mm/numa.c | |
| parent | 8a336b0a4b6dfacc8cc5fd617ba1e1904077de2d (diff) | |
| download | linux-fsl-qoriq-e3f1caeef9a70b0699518092d653c15274b025ab.tar.xz | |
[PATCH] x86-64: set node_possible_map at runtime - try 2
Set the node_possible_map at runtime on x86_64. On a non NUMA system,
num_possible_nodes() will now say '1'.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Eric Dumazet <dada1@cosmosbay.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <clameter@engr.sgi.com>
Diffstat (limited to 'arch/x86_64/mm/numa.c')
| -rw-r--r-- | arch/x86_64/mm/numa.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c index 5ee07bc..5154894 100644 --- a/arch/x86_64/mm/numa.c +++ b/arch/x86_64/mm/numa.c @@ -295,7 +295,7 @@ static int __init setup_node_range(int nid, struct bootnode *nodes, u64 *addr, ret = -1; } nodes[nid].end = *addr; - node_set_online(nid); + node_set(nid, node_possible_map); printk(KERN_INFO "Faking node %d at %016Lx-%016Lx (%LuMB)\n", nid, nodes[nid].start, nodes[nid].end, (nodes[nid].end - nodes[nid].start) >> 20); @@ -479,7 +479,7 @@ out: * SRAT. */ remove_all_active_ranges(); - for_each_online_node(i) { + for_each_node_mask(i, node_possible_map) { e820_register_active_regions(i, nodes[i].start >> PAGE_SHIFT, nodes[i].end >> PAGE_SHIFT); setup_node_bootmem(i, nodes[i].start, nodes[i].end); @@ -494,20 +494,25 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn) { int i; + nodes_clear(node_possible_map); + #ifdef CONFIG_NUMA_EMU if (cmdline && !numa_emulation(start_pfn, end_pfn)) return; + nodes_clear(node_possible_map); #endif #ifdef CONFIG_ACPI_NUMA if (!numa_off && !acpi_scan_nodes(start_pfn << PAGE_SHIFT, end_pfn << PAGE_SHIFT)) return; + nodes_clear(node_possible_map); #endif #ifdef CONFIG_K8_NUMA if (!numa_off && !k8_scan_nodes(start_pfn<<PAGE_SHIFT, end_pfn<<PAGE_SHIFT)) return; + nodes_clear(node_possible_map); #endif printk(KERN_INFO "%s\n", numa_off ? "NUMA turned off" : "No NUMA configuration found"); @@ -521,6 +526,7 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn) memnodemap[0] = 0; nodes_clear(node_online_map); node_set_online(0); + node_set(0, node_possible_map); for (i = 0; i < NR_CPUS; i++) numa_set_node(i, 0); node_to_cpumask[0] = cpumask_of_cpu(0); |