On Wed 13-02-19 21:12:00, Minchan Kim wrote:
> On Wed, Feb 13, 2019 at 01:03:30PM +0100, Michal Hocko wrote:
> > On Wed 13-02-19 20:29:00, Minchan Kim wrote:
> > > [1] was backported to v4.9 stable tree but it introduces pgtable
> > > memory leak because with fault retrial, preallocated pagetable
> > > could be leaked in second iteration.
> > > To fix the problem, this patch backport [2].
> > >
> > > [1] 5cf3e5ff95876, mm, memcg: fix reclaim deadlock with writeback
> > > [2] b0b9b3df27d10, mm: stop leaking PageTables
> > >
> > > Fixes: 5cf3e5ff95876 ("mm, memcg: fix reclaim deadlock with writeback")
> > > Cc: Johannes Weiner <han...@cmpxchg.org>
> > > Cc: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
> > > Cc: Michal Hocko <mho...@suse.com>
> > > Cc: Andrew Morton <a...@linux-foundation.org>
> > > Cc: Hugh Dickins <hu...@google.com>
> > > Cc: Liu Bo <bo....@linux.alibaba.com>
> > > Cc: <sta...@vger.kernel.org> [4.9]
> > > Signed-off-by: Minchan Kim <minc...@kernel.org>
> >
> > Thanks for catching this dependency. Do I assume it correctly that this
> > is stable-4.9 only?
>
> I have no idea how I could find it automatically that a stable patch of
> linus tree is spread out with several stable trees(Hope Greg has an
> answer). I just checked 4.4 longterm kernel and couldn't find it in there.
See http://lkml.kernel.org/r/20190115174036.ga24...@dhcp22.suse.cz
But my question was more about "this is a stable only thing"? It was not
obvious from the subject so I wanted to be sure that I am not missing
anything.
--
Michal Hocko
SUSE Labs
