Re: [PATCH 6/6] mm, oom: fortify task_will_free_mem

From: Michal Hocko
Date: Thu May 26 2016 - 10:56:14 EST


On Thu 26-05-16 23:41:54, Tetsuo Handa wrote:
> Michal Hocko wrote:
> > +/*
> > + * Checks whether the given task is dying or exiting and likely to
> > + * release its address space. This means that all threads and processes
> > + * sharing the same mm have to be killed or exiting.
> > + */
> > +static inline bool task_will_free_mem(struct task_struct *task)
> > +{
> > + struct mm_struct *mm = NULL;
> > + struct task_struct *p;
> > + bool ret = false;
>
> If atomic_read(&p->mm->mm_users) <= get_nr_threads(p), this returns "false".
> According to previous version, I think this is "bool ret = true;".

true. Thanks for catching this. Fixed locally.
--
Michal Hocko
SUSE Labs