On Fri, Apr 15, 2016 at 1:07 PM, Chris Wilson wrote:
> When mixing lots of vmallocs and set_memory_*() (which calls
> vm_unmap_aliases()) I encountered situations where the performance
> degraded severely due to the walking of the entire vmap_area list each
> invocation. One simple improvement is
When mixing lots of vmallocs and set_memory_*() (which calls
vm_unmap_aliases()) I encountered situations where the performance
degraded severely due to the walking of the entire vmap_area list each
invocation. One simple improvement is to add the lazily freed vmap_area
to a separate lockless free
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