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SubjectRe: [BUG] commit 3c517a61, slab: better fallback allocation behavior
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().

I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <> 1.925.600.0401
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