On Wed, 15 Feb 2006, Bharata B Rao wrote:
> We don't initialize the free_area list for all zones. Instead,
> free_area_init_core() does that only for zones which are non-empty.
Right.
> But in __rmqueue(), we depend on these free_area lists to be intialized
> correctly for all zones, which is not true in the present case we
> are discussing.
> I think we either need to initialize free_area lists for all zones
> or check for !zone->free_area->nr_free in __rmqueue().
Or we can initialize all pcp to contain empty lists for zones without
pages.
> Even with this, mbind still needs to be fixed. Even though it
> can't get a conforming zone in the node (MPOL_BIND case), right now,
> it goes ahead with the "bind"ing of the memory area. This causes the
> application to crash (assuming we have fixed the __rmqueue kernel crash)
> (Haven't yet figured our why exactly the application dies)
The application crashes because of an OOM.
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