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Re: Calling vm_object_deactivate_pages for each vm_object_deallocate kil
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From: |
Sergio López |
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Subject: |
Re: Calling vm_object_deactivate_pages for each vm_object_deallocate kills performance. |
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Date: |
Fri, 14 Oct 2011 01:03:28 +0200 |
2011/10/8 Richard Braun <rbraun@sceen.net>:
> On Sat, Oct 08, 2011 at 02:06:04AM +0200, Sergio López wrote:
>> Reducing lock contention would surely help.
>
> vm_page_queue_lock is a simple lock if I'm not mistaken, which means
> it's a nop in our case. We shouldn't change anything we can't measure
> and test easily unless it's really simple enough.
You're right, it's a simple_lock.