tuxoko d0c614ecf9 Fix null pointer in arc_kmem_reap_now on 32-bit
On 32 bit system, zio_buf_cache is limit to 1M. Larger than that is all NULL.
So we need to avoid reaping them.

Signed-off-by: Chunwei Chen <tuxoko@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #3973
2015-11-19 16:01:47 -08:00
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