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author | Mike Travis <travis@sgi.com> | 2008-07-24 18:21:30 -0700 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-26 16:40:33 +0200 |
commit | 6524d938b3360504b43a1278b5a8403e85383d1a (patch) | |
tree | 8edbe9e88883e992f63c68ca0f1ea3ab4594ebb9 /arch/x86/kernel/setup_percpu.c | |
parent | b8d317d10cca76cabe6b03ebfeb23cc99118b731 (diff) | |
download | op-kernel-dev-6524d938b3360504b43a1278b5a8403e85383d1a.zip op-kernel-dev-6524d938b3360504b43a1278b5a8403e85383d1a.tar.gz |
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.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index f7745f9..1cd53df 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; |