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From: Rusty Russell <rusty@rustcorp.com.au>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: Andrew Morton <akpm@digeo.com>,
	dipankar@in.ibm.com, linux-kernel@vger.kernel.org,
	Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>,
	paulus@samba.org
Subject: Re: [PATCH] kmalloc_percpu
Date: Wed, 07 May 2003 14:15:26 +1000	[thread overview]
Message-ID: <20030507041632.0ED6B2C056@lists.samba.org> (raw)
In-Reply-To: Your message of "Tue, 06 May 2003 19:41:35 MST." <20030507024135.GW8978@holomorphy.com>

In message <20030507024135.GW8978@holomorphy.com> you write:
> On Wed, May 07, 2003 at 11:57:13AM +1000, Rusty Russell wrote:
> > Paul Mackerras points out that we could get the numa-aware allocation
> > plus "one big alloc" properties by playing with page mappings: reserve
> > 1MB of virtual address, and map more pages as required.  I didn't
> > think that we'd need that yet, though.
> 
> This is somewhat painful to do (though possible) on i386. The cost of
> task migration would increase at the very least.

You misunderstand I think.  All cpus would have the same mappings.

Rusty.
--
  Anyone who quotes me in their sig is an idiot. -- Rusty Russell.

  parent reply	other threads:[~2003-05-07  4:03 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-05  8:08 [PATCH] kmalloc_percpu Rusty Russell
2003-05-05  8:47 ` Andrew Morton
2003-05-06  0:47   ` Rusty Russell
2003-05-06  1:52     ` Andrew Morton
2003-05-06  2:11       ` David S. Miller
2003-05-06  4:08         ` Rusty Russell
2003-05-06  3:40           ` David S. Miller
2003-05-06  5:02             ` Andrew Morton
2003-05-06  4:16               ` David S. Miller
2003-05-06  5:48                 ` Andrew Morton
2003-05-06  5:35                   ` David S. Miller
2003-05-06  6:55                     ` Andrew Morton
2003-05-06  5:57                       ` David S. Miller
2003-05-06  7:22                         ` Andrew Morton
2003-05-06  6:15                           ` David S. Miller
2003-05-06  7:34                             ` Andrew Morton
2003-05-06  8:42                               ` William Lee Irwin III
2003-05-06 14:38                               ` Martin J. Bligh
2003-05-06  7:20                       ` Dipankar Sarma
2003-05-06  8:28                       ` Rusty Russell
2003-05-06  8:47                         ` Andrew Morton
2003-05-07  1:57                           ` Rusty Russell
2003-05-07  2:41                             ` William Lee Irwin III
2003-05-07  4:03                               ` Paul Mackerras
2003-05-07  4:22                                 ` William Lee Irwin III
2003-05-07  4:56                                   ` Paul Mackerras
2003-05-07  5:19                                     ` William Lee Irwin III
2003-05-07  4:10                                       ` Martin J. Bligh
2003-05-07 12:13                                         ` William Lee Irwin III
2003-05-07  4:15                               ` Rusty Russell [this message]
2003-05-07  5:37                             ` Andrew Morton
2003-05-08  0:53                               ` Rusty Russell
2003-05-06 14:41                         ` Martin J. Bligh
2003-05-06  6:42                   ` Andrew Morton
2003-05-06  5:39                     ` David S. Miller
2003-05-06  6:57                       ` Andrew Morton
2003-05-06  7:25                         ` Jens Axboe
2003-05-06 10:41                           ` Ingo Oeser
2003-05-06 16:05                         ` Bryan O'Sullivan
2003-05-06  8:06               ` Rusty Russell
2003-05-06  5:03             ` Dipankar Sarma
2003-05-06  4:28           ` Andrew Morton
2003-05-06  3:37             ` David S. Miller
2003-05-06  4:11       ` Rusty Russell
2003-05-06  5:07   ` Ravikiran G Thirumalai
2003-05-06  8:03     ` Rusty Russell
2003-05-06  9:23       ` David S. Miller
2003-05-06  9:34       ` Ravikiran G Thirumalai
2003-05-06  9:38         ` Dipankar Sarma
2003-05-07  2:14         ` Rusty Russell
2003-05-07  5:51 ` Ravikiran G Thirumalai
2003-05-07  6:16   ` Rusty Russell
2003-05-08  7:42     ` Ravikiran G Thirumalai
2003-05-08  7:47       ` Rusty Russell
  -- strict thread matches above, loose matches on Subject: below --
2002-10-31 16:06 [patch] kmalloc_percpu Ravikiran G Thirumalai
2002-11-01  8:33 ` Rusty Russell
2002-11-05 16:00   ` Dipankar Sarma

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