On Wed, Aug 29, 2012 at 2:41 PM, Haggai Eran <hagg...@mellanox.com> wrote: >> Looks like a problem in 072bb0aa5e0 ("mm: sl[au]b: add knowledge of >> PFMEMALLOC reserve pages"). cache_grow() can reenable irqs which allows >> this to be scheduled on a different cpu, possibly with a different node. >> So it turns out that we lock the wrong node's list_lock because we don't >> check the new node id when irqs are disabled again. >> >> I doubt you can reliably reproduce this, but the following should fix the >> issue. > Your patch did solve the issue. Thanks!
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