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@cmpxchg.org Cc: Kirill A. Shutemov kirill.shutemov@linux.intel.com Cc: Michal Hocko mhocko@suse.com Cc: Andrew Morton akpm@linux-foundation.org Cc: Hugh Dickins hughd@google.com Cc: Liu Bo bo.liu@linux.alibaba.com Cc: stable@vger.kernel.org [4.9] Signed-off-by: Minchan Kim minchan@kernel.org
Reported-by: Martin Liu liumartin@google.com