On Thu, 11 Jun 2015 16:07:10 +0200 Ingo Molnar <mi...@kernel.org> wrote:
> --- a/kernel/fork.c > +++ b/kernel/fork.c > @@ -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); Couldn't this be arch_pgd_init_late(p->mm) or arch_pgd_init_late(p)? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/