tech-kern: Re: uvm_pagefree() without uvm_lock

Subject: Re: uvm_pagefree() without uvm_lock_pageq() ?
To: None <bouyer@antioche.eu.org>
From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
List: tech-kern
Date: 11/30/2007 12:28:05

> Hi,
> shouldn't uvm_pagefree() always be called with pageq locked ?
> in x86/x86/pmap.c there are some calls to uvm_pagefree() without obvious
> call to uvm_lock_pageq()/uvm_unlock_pageq() ...
> 
> -- 
> Manuel Bouyer <bouyer@antioche.eu.org>
>      NetBSD: 26 ans d'experience feront toujours la difference
> --

why do you think it should be taken?
i don't see any reason to take it for pages which can never be put
on the page queue.

YAMAMOTO Takashi