On Sat 22-06-19 06:30:37, Ajay Kaher wrote: > > > On Mon, Jun 17, 2019 at 08:58:24AM +0200, Michal Hocko wrote: > > > From: Andrea Arcangeli <aarcange@xxxxxxxxxx> > > > > > > Upstream 04f5866e41fb70690e28397487d8bd8eea7d712a commit. > > > > > > Signed-off-by: Michal Hocko <mhocko@xxxxxxxx> > > > --- > > > drivers/android/binder.c | 6 ++++++ > > > drivers/infiniband/hw/mlx4/main.c | 3 +++ > > > fs/proc/task_mmu.c | 18 ++++++++++++++++++ > > > fs/userfaultfd.c | 10 ++++++++-- > > > include/linux/mm.h | 21 +++++++++++++++++++++ > > > mm/mmap.c | 7 ++++++- > > > 6 files changed, 62 insertions(+), 3 deletions(-) > > > > I've queued this up now, as it looks like everyone agrees with it. What > > about a 4.9.y backport? > > Greg, it's here please review. > https://lore.kernel.org/stable/1561208539-29682-1-git-send-email-akaher@xxxxxxxxxx/T/#m53eaf6e687cb27e46395173aa74a85c2ccb5c190 > > Michal, patched for binder code Thanks, would you like to suggest > if mmget_still_valid check require anywhere for khugepaged code. khugepaged patch has gone its own way. See 59ea6d06cfa9 ("coredump: fix race condition between collapse_huge_page() and core dumping") -- Michal Hocko SUSE Labs
