4.14-stable review patch. If anyone has any objections, please let me know.
------------------ From: David Hildenbrand <da...@redhat.com> commit ed1596f9ab958dd156a66c9ff1029d3761c1786a upstream. We have to free memory again when we cancel onlining, otherwise a later onlining attempt will fail. Link: http://lkml.kernel.org/r/20180522100756.18478-2-da...@redhat.com Fixes: fa69b5989bb0 ("mm/kasan: add support for memory hotplug") Signed-off-by: David Hildenbrand <da...@redhat.com> Acked-by: Andrey Ryabinin <aryabi...@virtuozzo.com> Cc: Alexander Potapenko <gli...@google.com> Cc: Dmitry Vyukov <dvyu...@google.com> Cc: <sta...@vger.kernel.org> Signed-off-by: Andrew Morton <a...@linux-foundation.org> Signed-off-by: Linus Torvalds <torva...@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- mm/kasan/kasan.c | 1 + 1 file changed, 1 insertion(+) --- a/mm/kasan/kasan.c +++ b/mm/kasan/kasan.c @@ -811,6 +811,7 @@ static int __meminit kasan_mem_notifier( kmemleak_ignore(ret); return NOTIFY_OK; } + case MEM_CANCEL_ONLINE: case MEM_OFFLINE: { struct vm_struct *vm;