diff options
-rw-r--r-- | arch/x86/kernel/setup_percpu.c | 10 | ||||
-rw-r--r-- | kernel/cpu.c | 8 |
2 files changed, 11 insertions, 7 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index f7745f94c00..1cd53dfcd30 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; diff --git a/kernel/cpu.c b/kernel/cpu.c index fe31ff3d380..9d4e1c28c05 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -462,7 +462,6 @@ out: #endif /* CONFIG_SMP */ -#ifndef CONFIG_HAVE_CPUMASK_OF_CPU_MAP /* 64 bits of zeros, for initializers. */ #if BITS_PER_LONG == 32 #define Z64 0, 0 @@ -509,7 +508,11 @@ out: /* We want this statically initialized, just to be safe. We try not * to waste too much space, either. */ -static const cpumask_t cpumask_map[] = { +static const cpumask_t cpumask_map[] +#ifdef CONFIG_HAVE_CPUMASK_OF_CPU_MAP +__initdata +#endif += { CMI0(0), CMI0(1), CMI0(2), CMI0(3), #if NR_CPUS > 4 CMI0(4), CMI0(5), CMI0(6), CMI0(7), @@ -569,4 +572,3 @@ static const cpumask_t cpumask_map[] = { }; const cpumask_t *cpumask_of_cpu_map = cpumask_map; -#endif /* !CONFIG_HAVE_CPUMASK_OF_CPU_MAP */ |