On Fri, Jul 24, 2020 at 11:22:58AM +0200, Ingo Molnar wrote:
>
> * Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> wrote:
>
> > +void text_free(void *region)
> > +{
> > + /*
> > + * This memory may be RO, and freeing RO memory in an interrupt is not
> > + * supported by vmalloc.
> > + */
> > + lockdep_assert_irqs_enabled();
> > +
> > + vfree(region);
>
> Had to dig around a bit to find the source of this restriction. Might
> make sense to clarify this comment to:
>
> /*
> * This memory may be read-only, and freeing VM_FLUSH_RESET_PERMS memory
> * in an interrupt is not supported by vmalloc.
> */
This definitely clarifies and is a better explanation. I updated the
commit accordingly. Thank you.
>
> Thanks,
>
> Ingo
/Jarkko
