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From: Andrew Morton <akpm@digeo.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: dipankar@in.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] kmalloc_percpu
Date: Mon, 5 May 2003 01:47:29 -0700	[thread overview]
Message-ID: <20030505014729.5db76f70.akpm@digeo.com> (raw)
In-Reply-To: <20030505081300.6B2ED2C016@lists.samba.org>

Rusty Russell <rusty@rustcorp.com.au> wrote:
>
> This is the kmalloc_percpu patch.

How does it work?  What restrictions does it have, and
what compromises were made?

+#define PERCPU_POOL_SIZE 32768

What's this?


The current implementation of kmalloc_per_cpu() turned out to be fairly
disappointing because of the number of derefs which were necessary to get at
the data in fastpaths.   How does this implementation compare?


Thanks.

  reply	other threads:[~2003-05-05  8:33 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 [this message]
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
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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