>
>
> > + ret = mmap_read_lock_killable(priv->mm);
> > + if (!ret) {
> > + /* mmap_lock_speculate_try_begin() succeeds when holding mmap_read_lock */
> > + mmap_lock_speculate_try_begin(priv->mm, &priv->mm_wr_seq);
> > + mmap_read_unlock(priv->mm);
> > + ret = -EAGAIN;
> > + }
> > +
> > + rcu_read_lock();
> > +
> > + anon_vma_name_put_if_valid(copy);
> > +put_file:
> > + if (copy->vm_file)
> > + fput(copy->vm_file);
> > +out:
> > + return ret;
> > +}
> > +
> > +static void put_vma_snapshot(struct proc_maps_private *priv)
> > +{
> > + struct vm_area_struct *vma = &priv->vma_copy;
> > +
> > + anon_vma_name_put_if_valid(vma);
> > + if (vma->vm_file)
> > + fput(vma->vm_file);
> > +}
> > +
>
> [...]
