3e7e6f34d0
Linux slab will automatically free empty slab when number of partial slab is over min_partial, so we don't need to explicitly shrink it. In fact, calling kmem_cache_shrink from shrinker will cause heavy contention on kmem_cache_node->list_lock, to the point that it might cause __slab_free to livelock (see zfsonlinux/zfs#3936) Signed-off-by: Chunwei Chen <david.chen@osnexus.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes zfsonlinux/zfs#3936 Closes #487 |
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