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x86: prepare for cpumask iterators to only go to nr_cpu_ids

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Impact: cleanup, futureproof

In fact, all cpumask ops will only be valid (in general) for bit
numbers < nr_cpu_ids.  So use that instead of NR_CPUS in various
places.

This is always safe: no cpu number can be >= nr_cpu_ids, and
nr_cpu_ids is initialized to NR_CPUS at boot.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Mike Travis
2008-12-16 17:34:01 -08:00
parent 78637a97b7
commit 168ef543a4
4 changed files with 5 additions and 5 deletions
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4
arch/x86/mm/numa_64.c
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@@ -278,7 +278,7 @@ void __init numa_init_array(void)
int rr, i;
rr = first_node(node_online_map);
for (i = 0; i < NR_CPUS; i++) {
for (i = 0; i < nr_cpu_ids; i++) {
if (early_cpu_to_node(i) != NUMA_NO_NODE)
continue;
numa_set_node(i, rr);
@@ -549,7 +549,7 @@ void __init initmem_init(unsigned long start_pfn, unsigned long last_pfn)
memnodemap[0] = 0;
node_set_online(0);
node_set(0, node_possible_map);
for (i = 0; i < NR_CPUS; i++)
for (i = 0; i < nr_cpu_ids; i++)
numa_set_node(i, 0);
e820_register_active_regions(0, start_pfn, last_pfn);
setup_node_bootmem(0, start_pfn << PAGE_SHIFT, last_pfn << PAGE_SHIFT);