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Diffstat (limited to 'arch/powerpc/mm/mmu_context_nohash.c')
-rw-r--r--arch/powerpc/mm/mmu_context_nohash.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c
index e779642c25e5..af3d78e19302 100644
--- a/arch/powerpc/mm/mmu_context_nohash.c
+++ b/arch/powerpc/mm/mmu_context_nohash.c
@@ -112,8 +112,10 @@ static unsigned int steal_context_smp(unsigned int id)
*/
for_each_cpu(cpu, mm_cpumask(mm)) {
for (i = cpu_first_thread_sibling(cpu);
- i <= cpu_last_thread_sibling(cpu); i++)
- __set_bit(id, stale_map[i]);
+ i <= cpu_last_thread_sibling(cpu); i++) {
+ if (stale_map[i])
+ __set_bit(id, stale_map[i]);
+ }
cpu = i - 1;
}
return id;
@@ -272,7 +274,8 @@ void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next)
/* XXX This clear should ultimately be part of local_flush_tlb_mm */
for (i = cpu_first_thread_sibling(cpu);
i <= cpu_last_thread_sibling(cpu); i++) {
- __clear_bit(id, stale_map[i]);
+ if (stale_map[i])
+ __clear_bit(id, stale_map[i]);
}
}
@@ -329,8 +332,8 @@ void destroy_context(struct mm_struct *mm)
#ifdef CONFIG_SMP
-static int __cpuinit mmu_context_cpu_notify(struct notifier_block *self,
- unsigned long action, void *hcpu)
+static int mmu_context_cpu_notify(struct notifier_block *self,
+ unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned int)(long)hcpu;
@@ -363,7 +366,7 @@ static int __cpuinit mmu_context_cpu_notify(struct notifier_block *self,
return NOTIFY_OK;
}
-static struct notifier_block __cpuinitdata mmu_context_cpu_nb = {
+static struct notifier_block mmu_context_cpu_nb = {
.notifier_call = mmu_context_cpu_notify,
};