Re: Why PAGEOUT_IO_SYNC stalls for a long time

[KOSAKI Motohiro]

> > side note: page lock contention is very common case.
> > 
> > For case (8), I don't think sleeping is right way. get_page() is used in really various place of
> > our kernel. so we can't assume it's only temporary reference count increasing.
> 
> In what case is a munlocked pages reference count permanently increased and
> why is this not a memory leak?

V4L, audio, GEM and/or other multimedia driver?



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/