From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Pavel Emelyanov <xemul@parallels.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Kyle Moffett <kyle@moffetthome.net>, Tejun Heo <tj@kernel.org>,
Glauber Costa <glommer@parallels.com>,
Andi Kleen <andi@firstfloor.org>,
Matt Helsley <matthltc@us.ibm.com>,
Pekka Enberg <penberg@kernel.org>,
Eric Dumazet <eric.dumazet@gmail.com>,
Vasiliy Kulikov <segoon@openwall.com>,
Alexey Dobriyan <adobriyan@gmail.com>,
Herbert Xu <herbert@gondor.hengli.com.au>,
"David S. Miller" <davem@davemloft.net>,
Andrey Vagin <avagin@openvz.org>
Subject: Re: [RFC] on general object IDs again
Date: Thu, 12 Jan 2012 00:34:23 +0400 [thread overview]
Message-ID: <20120111203423.GD28196@moon> (raw)
In-Reply-To: <4F0DF001.6090903@parallels.com>
On Thu, Jan 12, 2012 at 12:24:33AM +0400, Pavel Emelyanov wrote:
> > In the second place the only reason why we would need O(N^2) complexity
> > instead of O(NlogN) is if the comparison system call only compares for
> > identity instead of returning a result that allows us to order the
> > objects we are worrying about.
>
> Hm... I like this one. As I said we'd have to do the sorting anyway so
> having the less-equals-above comparator right in the kernel sounds OK.
>
So it would look something like
sys_cmp_kid(pid1, pid2, kid-type)
(where kid is kernel-id), right ? Or I miss something ?
Cyrill
next prev parent reply other threads:[~2012-01-11 20:34 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-11 16:19 [RFC] on general object IDs again Cyrill Gorcunov
2012-01-11 17:25 ` KOSAKI Motohiro
2012-01-11 17:59 ` Cyrill Gorcunov
2012-01-11 18:19 ` KOSAKI Motohiro
2012-01-11 18:22 ` Pavel Emelyanov
2012-01-11 18:31 ` Cyrill Gorcunov
2012-01-11 19:29 ` KOSAKI Motohiro
2012-01-11 19:36 ` Pavel Emelyanov
2012-01-11 19:50 ` KOSAKI Motohiro
2012-01-11 19:57 ` Pavel Emelyanov
2012-01-11 19:59 ` Cyrill Gorcunov
2012-01-11 20:19 ` Eric W. Biederman
2012-01-11 20:24 ` Pavel Emelyanov
2012-01-11 20:34 ` Cyrill Gorcunov [this message]
2012-01-11 20:45 ` Eric W. Biederman
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