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> I ran "iozone -s 4000m" again with a new kernel (your attached patch).
> I'm getting the same errors and have attached a slab.out.gz file showing
> slabinfo every 1s during the test. The __alloc_pages: error shows up a
> few seconds into the test. buffer_head values seem to ramp up
> quickly with iozone...
Yep, looking at the first slabcache output, the patch will not help at all
in this scenario. Another one for the todo list....