c7db36a3c4
For performance reasons the reworked kmem code maps vmem_alloc() to kmalloc_node() for allocations less than spa_kmem_alloc_max. This allows for more concurrency in the system and less contention of the virtual address space. Generally, this is a good thing. However, in the case when the kmalloc_node() fails it makes little sense to retry it using kmalloc_node() again. It will likely fail in exactly the same way. A smarter strategy is to abandon this optimization and retry using spl_vmalloc() which is very likely to succeed. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ned Bass <bass6@llnl.gov> Closes #428 |
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