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Date: Thu, 12 Jan 2012 00:34:23 +0400
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>,
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        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
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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