On Mon, Aug 01, 2022 at 10:36:37AM +0530, Charan Teja Kalla wrote: > Remove unused variable 'nid' in offline_page_ext(). This is not used > since the page_ext code inception. > Just to be clear, should we say "drop nid argument from offline_page_exit"? With this change the symmetry between "online_page_exit" and "offline_page_exit" is lost. But that is not a valid point to keep an unused argument. > Signed-off-by: Charan Teja Kalla <quic_charante@xxxxxxxxxxx> > --- > mm/page_ext.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/mm/page_ext.c b/mm/page_ext.c > index 3dc715d..e22a928 100644 > --- a/mm/page_ext.c > +++ b/mm/page_ext.c > @@ -336,7 +336,7 @@ static int __meminit online_page_ext(unsigned long start_pfn, > } > > static int __meminit offline_page_ext(unsigned long start_pfn, > - unsigned long nr_pages, int nid) > + unsigned long nr_pages) > { > unsigned long start, end, pfn; > > @@ -362,11 +362,11 @@ static int __meminit page_ext_callback(struct notifier_block *self, > break; > case MEM_OFFLINE: > offline_page_ext(mn->start_pfn, > - mn->nr_pages, mn->status_change_nid); > + mn->nr_pages); > break; > case MEM_CANCEL_ONLINE: > offline_page_ext(mn->start_pfn, > - mn->nr_pages, mn->status_change_nid); > + mn->nr_pages); > break; > case MEM_GOING_OFFLINE: > break; Looks good to me. Thanks, Pavan