On Wed, Jun 25, 2025 at 05:24:01PM +0200, David Hildenbrand wrote:
> On 25.06.25 17:22, Dan Carpenter wrote:
> > The "reason" variable is uninitialized on this error path. It's supposed
> > to explain why the function failed.
> >
> > Fixes: e4e2806b639c ("mm,memory_hotplug: implement numa node notifier")
> > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> > ---
> > mm/memory_hotplug.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> > index 4d864b4fb891..e954f81b55a0 100644
> > --- a/mm/memory_hotplug.c
> > +++ b/mm/memory_hotplug.c
> > @@ -1977,8 +1977,10 @@ int offline_pages(unsigned long start_pfn, unsigned long nr_pages,
> > node_arg.nid = node;
> > ret = node_notify(NODE_REMOVING_LAST_MEMORY, &node_arg);
> > ret = notifier_to_errno(ret);
> > - if (ret)
> > + if (ret) {
> > + reason = "nr_pages more than present_pages";
>
> "node notifier failure"
>
> With that
>
> Acked-by: David Hildenbrand <david@xxxxxxxxxx>
>
> (likely should be squashed because the commit it might not be stable yet)
Oh, yeah. I misread the code. Thanks. I resent now.
But, ugh, I forgot to add your Acked-by... But this is likely going
to be squashed as you say so hopefully that's fine.
regards,
dan carpenter
