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Date: Sun, 30 Sep 2001 21:11:07 -0700 (PDT)
From: Jason Smethers <jason@smethers.net>
To: freebsd-gnats-submit@FreeBSD.org
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Subject: kern/30951: Optimize page queue scan on miss of specified L2 cache colored page
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>Number:         30951
>Category:       kern
>Synopsis:       Optimize page queue scan on miss of specified L2 cache colored page
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Sun Sep 30 21:20:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Jason Smethers
>Release:        -current
>Organization:
>Environment:
>Description:
This patch optimizes the scan of free page queues and cache page queues when a look up for a page of a specified L2 cache color in these queues fails.

The scan now ends a search on the queue of the specified color instead of starting on it.

Patch at:
http://www.smethers.net/~jason/FreeBSD/patches/kern.vm.l2scan.1.diff

>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:

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