diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/exit.c | 3 | ||||
| -rw-r--r-- | kernel/fork.c | 3 | ||||
| -rw-r--r-- | kernel/sched.c | 2 |
3 files changed, 6 insertions, 2 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index cce59cb5ee6a..7f2683a10ac4 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -953,7 +953,8 @@ NORET_TYPE void do_exit(long code) acct_update_integrals(tsk); /* sync mm's RSS info before statistics gathering */ - sync_mm_rss(tsk, tsk->mm); + if (tsk->mm) + sync_mm_rss(tsk, tsk->mm); group_dead = atomic_dec_and_test(&tsk->signal->live); if (group_dead) { hrtimer_cancel(&tsk->signal->real_timer); diff --git a/kernel/fork.c b/kernel/fork.c index 4799c5f0e6d0..44b0791b0a2e 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1052,6 +1052,9 @@ static struct task_struct *copy_process(unsigned long clone_flags, p->prev_utime = cputime_zero; p->prev_stime = cputime_zero; #endif +#if defined(SPLIT_RSS_COUNTING) + memset(&p->rss_stat, 0, sizeof(p->rss_stat)); +#endif p->default_timer_slack_ns = current->timer_slack_ns; diff --git a/kernel/sched.c b/kernel/sched.c index a3dff1f3f9b0..6af210a7de70 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4903,7 +4903,7 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len, int ret; cpumask_var_t mask; - if (len < nr_cpu_ids) + if ((len * BITS_PER_BYTE) < nr_cpu_ids) return -EINVAL; if (len & (sizeof(unsigned long)-1)) return -EINVAL; |