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Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index e47ee8a0613..60d6fdcc926 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -359,8 +359,10 @@ void __set_special_pids(struct pid *pid)
{
struct task_struct *curr = current->group_leader;
- if (task_session(curr) != pid)
+ if (task_session(curr) != pid) {
change_pid(curr, PIDTYPE_SID, pid);
+ proc_sid_connector(curr);
+ }
if (task_pgrp(curr) != pid)
change_pid(curr, PIDTYPE_PGID, pid);
@@ -945,6 +947,8 @@ NORET_TYPE void do_exit(long code)
if (group_dead) {
hrtimer_cancel(&tsk->signal->real_timer);
exit_itimers(tsk->signal);
+ if (tsk->mm)
+ setmax_mm_hiwater_rss(&tsk->signal->maxrss, tsk->mm);
}
acct_collect(code, group_dead);
if (group_dead)
@@ -1208,6 +1212,7 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
if (likely(!traced) && likely(!task_detached(p))) {
struct signal_struct *psig;
struct signal_struct *sig;
+ unsigned long maxrss;
/*
* The resource counters for the group leader are in its
@@ -1256,6 +1261,9 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
psig->coublock +=
task_io_get_oublock(p) +
sig->oublock + sig->coublock;
+ maxrss = max(sig->maxrss, sig->cmaxrss);
+ if (psig->cmaxrss < maxrss)
+ psig->cmaxrss = maxrss;
task_io_accounting_add(&psig->ioac, &p->ioac);
task_io_accounting_add(&psig->ioac, &sig->ioac);
spin_unlock_irq(&p->real_parent->sighand->siglock);