On Thu, Oct 29, 2020 at 06:44:57PM +0800, Alex Shi wrote: > A isolated page shouldn't be recharged by memcg since the memcg > migration isn't possible at the time. > So remove unnecessary regetting. > > Thanks to Alexander Duyck for pointing this out. > > Signed-off-by: Alex Shi <alex....@linux.alibaba.com> > Acked-by: Hugh Dickins <hu...@google.com> > Cc: Alexander Duyck <alexander.h.du...@linux.intel.com> > Cc: Andrew Morton <a...@linux-foundation.org> > Cc: Konstantin Khlebnikov <khlebni...@yandex-team.ru> > Cc: Michal Hocko <mho...@kernel.org> > Cc: Hugh Dickins <hu...@google.com> > Cc: Johannes Weiner <han...@cmpxchg.org> > Cc: linux...@kvack.org > Cc: linux-kernel@vger.kernel.org > Cc: cgro...@vger.kernel.org
Acked-by: Johannes Weiner <han...@cmpxchg.org> A brief comment in the code could be good: all pages were isolated from the same lruvec (and isolation inhibits memcg migration).