On 06/24, Michal Hocko wrote:
>
> On Fri 24-06-16 16:05:58, Michal Hocko wrote:
> > On Thu 23-06-16 20:52:21, Oleg Nesterov wrote:
> > >
> > > But I agree, this is fixable (and in fact I still hope TIF_MEMDIE will die,
> > > at least in its current form).
> >
> > We can move the flag to the task_struct.
Well, I actually meant that to me its usage doesn't look really
right and we need to change this logic. But this is off-topic.
> Here is the patch.
Can't comment, but note that it was decided to move ti->flags into
task_struct, so the patch is "off-topic" too ;)
> @@ -1856,6 +1856,8 @@ struct task_struct {
> unsigned long task_state_change;
> #endif
> int pagefault_disabled;
> + /* oom victim - give it access to memory reserves */
> + atomic_t memdie;
Yet another oom member. And these atomic_add_unless's look a bit
strange, it seems that you could add "bool memdie" and use xchg()
with the same effect?
Oleg.
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