From: David Hildenbrand <david@xxxxxxxxxx> Subject: hv_balloon: use generic_online_page() Let's use the generic onlining function - which will now also take care of calling kernel_map_pages(). Link: http://lkml.kernel.org/r/20190909114830.662-3-david@xxxxxxxxxx Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> Cc: "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx> Cc: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> Cc: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx> Cc: Sasha Levin <sashal@xxxxxxxxxx> Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Cc: Oscar Salvador <osalvador@xxxxxxxx> Cc: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx> Cc: Qian Cai <cai@xxxxxx> Cc: Wei Yang <richard.weiyang@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/hv/hv_balloon.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/hv/hv_balloon.c~hv_balloon-use-generic_online_page +++ a/drivers/hv/hv_balloon.c @@ -681,8 +681,7 @@ static void hv_page_online_one(struct hv /* This frame is currently backed; online the page. */ __online_page_set_limits(pg); - __online_page_increment_counters(pg); - __online_page_free(pg); + generic_online_page(pg, 0); lockdep_assert_held(&dm_device.ha_lock); dm_device.num_pages_onlined++; _