On Mon, 7 Feb 2022 15:41:21 +0100 David Hildenbrand <david@xxxxxxxxxx> wrote:
> On 07.02.22 14:36, Miaohe Lin wrote:
> > Since commit f1dd2cd13c4b ("mm, memory_hotplug: do not associate hotadded
> > memory to zones until online"), there is no need to pass in the zone.
> >
> > Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
> > ---
> > mm/memory_hotplug.c | 5 +----
> > 1 file changed, 1 insertion(+), 4 deletions(-)
> >
> > diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> > index a4f69d399929..cbc67c27e0dd 100644
> > --- a/mm/memory_hotplug.c
> > +++ b/mm/memory_hotplug.c
> > @@ -296,10 +296,7 @@ struct page *pfn_to_online_page(unsigned long pfn)
> > EXPORT_SYMBOL_GPL(pfn_to_online_page);
> >
> > /*
> > - * Reasonably generic function for adding memory. It is
> > - * expected that archs that support memory hotplug will
> > - * call this function after deciding the zone to which to
> > - * add the new pages.
> > + * Reasonably generic function for adding memory.
> > */
> > int __ref __add_pages(int nid, unsigned long pfn, unsigned long nr_pages,
> > struct mhp_params *params)
>
> I'd suggest just removing the comment completely.
Thanks, I made that change.
A better site for documentation is at add_memory(). Which, as a
full-on exported-to-modules API function, should really have some
docs...
