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authorMike Travis <travis@sgi.com>2008-07-24 18:21:30 -0700
committerIngo Molnar <mingo@elte.hu>2008-07-26 16:40:33 +0200
commit6524d938b3360504b43a1278b5a8403e85383d1a (patch)
tree8edbe9e88883e992f63c68ca0f1ea3ab4594ebb9 /arch/x86/kernel/setup_percpu.c
parentb8d317d10cca76cabe6b03ebfeb23cc99118b731 (diff)
downloadblackbird-op-linux-6524d938b3360504b43a1278b5a8403e85383d1a.tar.gz
blackbird-op-linux-6524d938b3360504b43a1278b5a8403e85383d1a.zip
cpumask: put cpumask_of_cpu_map in the initdata section
* Create the cpumask_of_cpu_map statically in the init data section using NR_CPUS but replace it during boot up with one sized by nr_cpu_ids (num possible cpus). Signed-off-by: Mike Travis <travis@sgi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jack Steiner <steiner@sgi.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
-rw-r--r--arch/x86/kernel/setup_percpu.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index f7745f94c006..1cd53dfcd309 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -81,10 +81,12 @@ static void __init setup_per_cpu_maps(void)
}
#ifdef CONFIG_HAVE_CPUMASK_OF_CPU_MAP
-cpumask_t *cpumask_of_cpu_map __read_mostly;
-EXPORT_SYMBOL(cpumask_of_cpu_map);
-
-/* requires nr_cpu_ids to be initialized */
+/*
+ * Replace static cpumask_of_cpu_map in the initdata section,
+ * with one that's allocated sized by the possible number of cpus.
+ *
+ * (requires nr_cpu_ids to be initialized)
+ */
static void __init setup_cpumask_of_cpu(void)
{
int i;
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