On 02/27, Aneesh Kumar wrote:
>
> >+static inline void freezer_do_not_count(void)
> >+{
> >+ current->flags |= PF_FREEZER_SKIP;
> >+}
> >+
> >+/*
> >+ * Tell the freezer to count this task as freezeable again and if it's a
> >user
> >+ * space one, try to freeze it
> >+ */
> >+static inline void freezer_count(void)
> >+{
> >+ current->flags &= ~PF_FREEZER_SKIP;
> >+ if (current->mm)
> >+ try_to_freeze();
> >+}
> >+
>
>
> This means that we are not going to wait for the kernel thread
> (Parent) to freeze. I guess what vatsa suggested in previous mail is
> better.
Not only better, but correct. This is very simple: if we set PF_FREEZER_SKIP,
we must call try_to_freeze(), otherwise we confuse the freezer.
Oleg.
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