linux-kernel - Re: [patch] aio: remove aio-max-nr and instead use the memlock rlimit to limit the number of pages pinned for the aio completion ring

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Message-ID: <49B6268C.2030300@redhat.com>
Date:	Tue, 10 Mar 2009 10:36:28 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Jamie Lokier <jamie@...reable.org>
CC:	Jeff Moyer <jmoyer@...hat.com>, linux-aio <linux-aio@...ck.org>,
	zach.brown@...cle.com, bcrl@...ck.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] aio: remove aio-max-nr and instead use the memlock rlimit
 to limit the number of pages pinned for the aio completion ring

Jamie Lokier wrote:
> Avi Kivity wrote:
>   
>> Or you could queue the completions somewhere, and only copy them to
>> user memory when io_getevents() is called.  I think the plan was
>> once to allow events to be consumed opportunistically even without
>> io_getevents(), though.
>>     
>
> Isn't that integrated (or to be integrated) with the vring buffer
> thingy used by virtio?
>
> If not, should it be?
>
>   

vringfd has been abandoned, AFAICT.  I think it's too similar to aio anyway.


-- 
error compiling committee.c: too many arguments to function

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