* Oleg Nesterov <o...@redhat.com> wrote:
> On 06/11, Ingo Molnar wrote:
> >
> > @@ -1592,6 +1592,22 @@ static struct task_struct *copy_process(unsigned
> > long clone_flags,
> > syscall_tracepoint_update(p);
> > write_unlock_irq(&tasklist_lock);
> >
> > + /*
> > + * If we have a new PGD then initialize it:
> > + *
> > + * This method is called after a task has been made visible
> > + * on the task list already.
> > + *
> > + * Architectures that manage per task kernel pagetables
> > + * might use this callback to initialize them after they
> > + * are already visible to new updates.
> > + *
> > + * NOTE: any user-space parts of the PGD are already initialized
> > + * and must not be clobbered.
> > + */
> > + if (p->mm != current->mm)
> > + arch_pgd_init_late(p->mm, p->mm->pgd);
> > +
>
> Cosmetic, but imo
>
> if (!(clone_flags & CLONE_VM))
> arch_pgd_init_late(...);
>
> will look better and more consistent.
Indeed - fixed.
Thanks,
Ingo
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