On Wed, Feb 13, 2019 at 08:29:00PM +0900, 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> Reported-by: Martin Liu <liumartin@xxxxxxxxxx>