From: Benjamin LaHaise <bcrl@kvack.org>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Ravikiran G Thirumalai <kiran@scalex86.org>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, davem@davemloft.net,
netdev@vger.kernel.org, shai@scalex86.org,
Andi Kleen <ak@suse.de>
Subject: Re: [patch 1/4] net: percpufy frequently used vars -- add percpu_counter_mod_bh
Date: Thu, 9 Mar 2006 13:39:29 -0500 [thread overview]
Message-ID: <20060309183929.GF5410@kvack.org> (raw)
In-Reply-To: <440FEA24.3060307@yahoo.com.au>
On Thu, Mar 09, 2006 at 07:41:08PM +1100, Nick Piggin wrote:
> Considering that local_t has been broken so that basically nobody
> is using it, now is a great time to rethink the types before it
> gets fixed and people start using it.
I'm starting to get more concerned as the per-cpu changes that keep adding
more overhead is getting out of hand.
> And modelling the type on the atomic types would make the most
> sense because everyone already knows them.
Except that the usage models are different; local_t is most likely to be
used for cpu local statistics or for sequences, where making them signed
is a bit backwards.
-ben
--
"Time is of no importance, Mr. President, only life is important."
Don't Email: <dont@kvack.org>.
next prev parent reply other threads:[~2006-03-09 19:00 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-08 1:58 [patch 0/4] net: percpufy frequently used vars on struct proto Ravikiran G Thirumalai
2006-03-08 1:59 ` [patch 1/4] net: percpufy frequently used vars -- add percpu_counter_mod_bh Ravikiran G Thirumalai
2006-03-08 2:13 ` Andrew Morton
2006-03-08 20:26 ` Ravikiran G Thirumalai
2006-03-08 20:36 ` Benjamin LaHaise
2006-03-08 21:07 ` Ravikiran G Thirumalai
2006-03-08 21:17 ` Benjamin LaHaise
2006-03-08 22:25 ` Ravikiran G Thirumalai
2006-03-08 22:41 ` Benjamin LaHaise
2006-03-08 23:43 ` Andrew Morton
2006-03-09 0:18 ` Ravikiran G Thirumalai
2006-03-09 0:32 ` Andrew Morton
2006-03-09 8:06 ` Ravikiran G Thirumalai
2006-03-09 4:14 ` Andi Kleen
2006-03-09 8:14 ` Nick Piggin
2006-03-09 8:22 ` Ravikiran G Thirumalai
2006-03-09 8:41 ` Nick Piggin
2006-03-09 18:39 ` Benjamin LaHaise [this message]
2006-03-08 23:06 ` Andrew Morton
2006-03-08 23:12 ` Andrew Morton
2006-03-09 2:21 ` Andi Kleen
2006-03-09 2:32 ` Andrew Morton
2006-03-08 2:01 ` [patch 2/4] net: percpufy frequently used vars -- struct proto.memory_allocated Ravikiran G Thirumalai
2006-03-08 2:14 ` Andrew Morton
2006-03-08 3:08 ` Ravikiran G Thirumalai
2006-03-08 3:22 ` Andrew Morton
2006-03-08 20:54 ` Ravikiran G Thirumalai
2006-03-08 2:02 ` [patch 3/4] net: percpufy frequently used vars -- proto.sockets_allocated Ravikiran G Thirumalai
2006-03-08 2:16 ` Andrew Morton
2006-03-08 20:56 ` Ravikiran G Thirumalai
2006-03-08 2:03 ` [patch 4/4] net: percpufy frequently used vars -- proto.inuse Ravikiran G Thirumalai
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