On Sat, Mar 19, 2022 at 12:28:30AM -0600, Jane Chu wrote:
> Mark poisoned page as not present, and to reverse the 'np' effect,
> restate the _PAGE_PRESENT bit. Please refer to discussions here for
> reason behind the decision.
> https://lore.kernel.org/all/capcyv4hrxpb1tasbzug-ggdvs0oofkxmxlihmktg_kfi7yb...@mail.gmail.com/
I think it would be good to summarize the conclusion here instead of
just linking to it.
> +static int _set_memory_present(unsigned long addr, int numpages)
> +{
> + return change_page_attr_set(&addr, numpages, __pgprot(_PAGE_PRESENT),
> 0);
> +}
What is the point of this trivial helper with a single caller?
