Re: [PATCH v4 2/2] prctl: propagate has_child_subreaper flag to every descendant

2017-01-31 Thread Oleg Nesterov
On 01/30, Pavel Tikhomirov wrote: > > Signed-off-by: Pavel Tikhomirov > --- > kernel/fork.c | 10 +++--- > kernel/sys.c | 22 ++ > 2 files changed, 29 insertions(+), 3 deletions(-) Reviewed-by: Oleg Nesterov

[PATCH v4 2/2] prctl: propagate has_child_subreaper flag to every descendant

2017-01-30 Thread Pavel Tikhomirov
If process forks some children when it has is_child_subreaper flag enabled they will inherit has_child_subreaper flag - first group, when is_child_subreaper is disabled forked children will not inherit it - second group. So child-subreaper does not reparent all his descendants when their parents di