From: Ravikiran G Thirumalai <kiran@scalex86.org>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Andrew Morton <akpm@osdl.org>,
davem@davemloft.net, linux-kernel@vger.kernel.org,
shai@scalex86.org, netdev@vger.kernel.org,
pravins@calsoftinc.com
Subject: Re: [patch 3/4] net: Percpufy frequently used variables -- proto.sockets_allocated
Date: Fri, 27 Jan 2006 16:40:27 -0800 [thread overview]
Message-ID: <20060128004027.GE3565@localhost.localdomain> (raw)
In-Reply-To: <43DAAAE3.2030107@cosmosbay.com>
On Sat, Jan 28, 2006 at 12:21:07AM +0100, Eric Dumazet wrote:
> Ravikiran G Thirumalai a écrit :
> >On Fri, Jan 27, 2006 at 11:30:23PM +0100, Eric Dumazet wrote:
>
> Why not use a boot time allocated percpu area (as done today in
> setup_per_cpu_areas()), but instead of reserving extra space for module's
> percpu data, being able to serve alloc_percpu() from this reserved area (ie
> no kmalloced data anymore), and keeping your
At that time ia64 placed a limit on the max size of per-CPU area
(PERCPU_ENOUGH_ROOM). I think that the limit is still there, But hopefully
64K per-CPU should be enough for static + dynamic + modules?
Let me do a allyesconfig on my box and verify.
Thanks,
Kiran
next prev parent reply other threads:[~2006-01-28 0:40 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-26 18:56 [patch 0/4] net: Percpufy frequently used variables on struct proto Ravikiran G Thirumalai
2006-01-26 18:59 ` [patch 1/4] net: Percpufy frequently used variables -- add percpu_counter_mod_bh Ravikiran G Thirumalai
2006-01-26 19:02 ` [patch 2/4] net: Percpufy frequently used variables -- struct proto.memory_allocated Ravikiran G Thirumalai
2006-01-27 9:01 ` Eric Dumazet
2006-01-26 19:03 ` [patch 3/4] net: Percpufy frequently used variables -- proto.sockets_allocated Ravikiran G Thirumalai
2006-01-27 8:53 ` Eric Dumazet
2006-01-27 19:52 ` Ravikiran G Thirumalai
2006-01-27 20:16 ` Andrew Morton
2006-01-27 22:30 ` Eric Dumazet
2006-01-27 22:50 ` Ravikiran G Thirumalai
2006-01-27 23:21 ` Eric Dumazet
2006-01-28 0:40 ` Ravikiran G Thirumalai [this message]
2006-01-27 22:44 ` Ravikiran G Thirumalai
2006-01-27 22:58 ` Eric Dumazet
2006-01-27 23:16 ` Andrew Morton
2006-01-28 0:28 ` Eric Dumazet
2006-01-28 0:35 ` Eric Dumazet
2006-01-28 4:52 ` Ravikiran G Thirumalai
2006-01-28 7:19 ` Eric Dumazet
2006-01-28 0:43 ` Andrew Morton
2006-01-28 1:10 ` Eric Dumazet
2006-01-28 1:18 ` Andrew Morton
2006-01-29 0:44 ` Benjamin LaHaise
2006-01-29 0:55 ` Andrew Morton
2006-01-29 1:19 ` Benjamin LaHaise
2006-01-29 1:29 ` Andrew Morton
2006-01-29 1:45 ` Kyle McMartin
2006-01-29 5:38 ` Andi Kleen
2006-01-29 6:54 ` Eric Dumazet
2006-01-29 19:52 ` Benjamin LaHaise
2006-01-27 23:01 ` Andrew Morton
2006-01-27 23:08 ` Andrew Morton
2006-01-28 0:01 ` Ravikiran G Thirumalai
2006-01-28 0:26 ` Andrew Morton
2006-02-03 3:05 ` Ravikiran G Thirumalai
2006-02-03 3:16 ` Andrew Morton
2006-02-03 19:37 ` Ravikiran G Thirumalai
2006-02-03 20:13 ` Andrew Morton
2006-01-26 19:05 ` [patch 4/4] net: Percpufy frequently used variables -- proto.inuse Ravikiran G Thirumalai
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