On Sun, 10 Dec 2006 12:49:07 -0800
Paul Jackson <[email protected]> wrote:
> Good report - thanks.
>
> Christoph - fallback_alloc() can be called with interrupts off.
>
> I fixed the cpuset_zone_allowed() call from fallback_alloc() to avoid
> sleeping. Notice the __GFP_HARDWALL added in Linus's version, or the
> new function cpuset_zone_allowed_hardwall() in Andrew's version, all
> done in the last week.
>
> But apparently kmem_getpages() can also sleep, as it calls __alloc_pages().
>
This is lame. Please, always always test all new submissions with all the
nice kernel debugging options enabled.
They are summarised in Documentation/SubmitChecklist, along with a number
of other useful bug-prevention suggestions.
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