static struct mm_struct * mm_init(struct mm_struct * mm)
{
atomic_set(&mm->mm_users, 1);
atomic_set(&mm->mm_count, 1);
init_rwsem(&mm->mmap_sem);
INIT_LIST_HEAD(&mm->mmlist);
mm->core_waiters = 0;
mm->nr_ptes = 0;
spin_lock_init(&mm->page_table_lock);
rwlock_init(&mm->ioctx_list_lock);
mm->ioctx_list = NULL;
mm->default_kioctx = (struct kioctx)INIT_KIOCTX(mm->default_kioctx, *mm);
mm->free_area_cache = TASK_UNMAPPED_BASE;
mm->cached_hole_size = ~0UL;
#ifdef CONFIG_OOM_PROTECT
mm->oom_protect_bytes = 0;
#endif
if (likely(!mm_alloc_pgd(mm))) {
mm->def_flags = 0;
return mm;
}
free_mm(mm);
return NULL;
}
static struct mm_struct * mm_init(struct mm_struct * mm)
{
atomic_set(&mm->mm_users, 1);
atomic_set(&mm->mm_count, 1);
init_rwsem(&mm->mmap_sem);
mm->core_waiters = 0;
mm->page_table_lock = SPIN_LOCK_UNLOCKED;
mm->ioctx_list_lock = RW_LOCK_UNLOCKED;
mm->ioctx_list = NULL;
mm->default_kioctx = (struct kioctx)INIT_KIOCTX(mm->default_kioctx, *mm);
mm->free_area_cache = TASK_UNMAPPED_BASE;
if (likely(!mm_alloc_pgd(mm))) {
mm->def_flags = 0;
return mm;
}
free_mm(mm);
return NULL;
}
