*/
void __mmdrop(struct mm_struct *mm)
{
- int i;
-
BUG_ON(mm == &init_mm);
WARN_ON_ONCE(mm == current->mm);
put_user_ns(mm->user_ns);
mm_pasid_drop(mm);
mm_destroy_cid(mm);
+ percpu_counter_destroy_many(mm->rss_stat, NR_MM_COUNTERS);
- for (i = 0; i < NR_MM_COUNTERS; i++)
- percpu_counter_destroy(&mm->rss_stat[i]);
free_mm(mm);
}
EXPORT_SYMBOL_GPL(__mmdrop);
static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p,
struct user_namespace *user_ns)
{
- int i;
-
mt_init_flags(&mm->mm_mt, MM_MT_FLAGS);
mt_set_external_lock(&mm->mm_mt, &mm->mmap_lock);
atomic_set(&mm->mm_users, 1);
if (mm_alloc_cid(mm))
goto fail_cid;
- for (i = 0; i < NR_MM_COUNTERS; i++)
- if (percpu_counter_init(&mm->rss_stat[i], 0, GFP_KERNEL_ACCOUNT))
- goto fail_pcpu;
+ if (percpu_counter_init_many(mm->rss_stat, 0, GFP_KERNEL_ACCOUNT,
+ NR_MM_COUNTERS))
+ goto fail_pcpu;
mm->user_ns = get_user_ns(user_ns);
lru_gen_init_mm(mm);
return mm;
fail_pcpu:
- while (i > 0)
- percpu_counter_destroy(&mm->rss_stat[--i]);
mm_destroy_cid(mm);
fail_cid:
destroy_context(mm);