On Thu, Oct 29, 2020 at 06:44:46PM +0800, Alex Shi wrote: > Add VM_WARN_ON_ONCE_PAGE() macro. > > Since readahead page is charged on memcg too, in theory we don't have to > check this exception now. Before safely remove them all, add a warning > for the unexpected !memcg. > > Signed-off-by: Alex Shi <alex....@linux.alibaba.com> > Acked-by: Michal Hocko <mho...@suse.com> > Acked-by: Hugh Dickins <hu...@google.com> > Cc: Johannes Weiner <han...@cmpxchg.org> > Cc: Michal Hocko <mho...@kernel.org> > Cc: Vladimir Davydov <vdavydov....@gmail.com> > Cc: Andrew Morton <a...@linux-foundation.org> > Cc: cgro...@vger.kernel.org > Cc: linux...@kvack.org > Cc: linux-kernel@vger.kernel.org
Acked-by: Johannes Weiner <han...@cmpxchg.org>
