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 <hannes@xxxxxxxxxxx> > > Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > > Cc: Michal Hocko <mhocko@xxxxxxxx> > > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > > Cc: Hugh Dickins <hughd@xxxxxxxxxx> > > Cc: Liu Bo <bo.liu@xxxxxxxxxxxxxxxxx> > > Cc: <stable@xxxxxxxxxxxxxxx> [4.9] > > Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx> > > 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. Thanks.