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Re: Calling vm_object_deactivate_pages for each vm_object_deallocate kil


From: Sergio López
Subject: Re: Calling vm_object_deactivate_pages for each vm_object_deallocate kills performance.
Date: Fri, 14 Oct 2011 01:03:28 +0200

2011/10/8 Richard Braun <address@hidden>:
> 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.



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