From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
Pekka Enberg <penberg@cs.helsinki.fi>,
Zdenek Kabelac <zdenek.kabelac@gmail.com>,
Patrick McHardy <kaber@trash.net>, Robin Holt <holt@sgi.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Jesper Dangaard Brouer <hawk@comx.dk>,
Linux Netdev List <netdev@vger.kernel.org>,
Netfilter Developers <netfilter-devel@vger.kernel.org>
Subject: Re: [PATCH] slub: fix slab_pad_check()
Date: Tue, 8 Sep 2009 15:59:37 -0700 [thread overview]
Message-ID: <20090908225937.GO6753@linux.vnet.ibm.com> (raw)
In-Reply-To: <alpine.DEB.1.10.0909081839090.7733@V090114053VZO-1>
On Tue, Sep 08, 2009 at 06:41:14PM -0400, Christoph Lameter wrote:
> On Tue, 8 Sep 2009, Paul E. McKenney wrote:
>
> > Are you saying that people have already asked you for additional
> > variants of SLAB_DESTROY_BY_RCU? If so, please don't keep them a secret!
> > Otherwise, experience indicates that it is best to wait for the new uses,
> > because they usually aren't quite what one might expect.
>
> No direct request but I have seen the network developers discover these
> features and their caching benefits over the last year. It is likely that
> they will try to push it into more components of the net subsystem.
So if they push it far enough, they might well decide that they need
a SLAB_DESTROY_BY_RCU_BH, for example. Looks like seven bits left,
so unless I am missing something, should not be a huge problem should
this need arise.
Thanx, Paul
next prev parent reply other threads:[~2009-09-08 22:59 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-11 12:42 System freeze on reboot - general protection fault Zdenek Kabelac
2009-08-11 14:34 ` Christoph Lameter
2009-08-11 14:52 ` Zdenek Kabelac
2009-08-11 15:03 ` Christoph Lameter
2009-08-11 15:32 ` Zdenek Kabelac
2009-08-11 15:48 ` Robin Holt
2009-08-11 21:10 ` Zdenek Kabelac
2009-08-12 22:16 ` Zdenek Kabelac
2009-08-12 22:21 ` Christoph Lameter
2009-08-13 17:09 ` Zdenek Kabelac
2009-08-14 9:33 ` Zdenek Kabelac
2009-08-16 9:16 ` Eric Dumazet
2009-08-17 14:03 ` Patrick McHardy
2009-09-02 21:45 ` Zdenek Kabelac
2009-09-02 22:17 ` Eric Dumazet
2009-09-02 22:31 ` Zdenek Kabelac
2009-09-03 1:04 ` [PATCH] slub: fix slab_pad_check() and SLAB_DESTROY_BY_RCU Eric Dumazet
2009-09-03 6:31 ` Pekka Enberg
2009-09-03 6:31 ` Pekka Enberg
2009-09-03 7:38 ` Eric Dumazet
2009-09-03 7:38 ` Eric Dumazet
2009-09-03 7:51 ` Pekka Enberg
2009-09-03 17:50 ` Christoph Lameter
2009-09-03 14:05 ` Pekka Enberg
2009-09-03 14:18 ` [PATCH] slub: Fix kmem_cache_destroy() with SLAB_DESTROY_BY_RCU Eric Dumazet
2009-09-03 19:48 ` Pekka Enberg
2009-09-03 19:56 ` Eric Dumazet
2009-09-03 19:56 ` Eric Dumazet
2009-09-03 17:45 ` [PATCH] slub: fix slab_pad_check() and SLAB_DESTROY_BY_RCU Christoph Lameter
2009-09-03 14:08 ` [PATCH] slub: fix slab_pad_check() Eric Dumazet
2009-09-03 18:38 ` Christoph Lameter
2009-09-03 15:01 ` Paul E. McKenney
2009-09-03 15:02 ` Eric Dumazet
2009-09-03 19:24 ` Christoph Lameter
2009-09-03 17:44 ` Paul E. McKenney
2009-09-03 22:43 ` Christoph Lameter
2009-09-03 22:03 ` Paul E. McKenney
2009-09-04 15:33 ` Christoph Lameter
2009-09-03 22:08 ` Eric Dumazet
2009-09-03 22:08 ` Eric Dumazet
2009-09-03 22:17 ` Eric Dumazet
2009-09-04 15:39 ` Christoph Lameter
2009-09-04 20:42 ` Paul E. McKenney
2009-09-04 20:42 ` Paul E. McKenney
2009-09-04 15:38 ` Christoph Lameter
2009-09-03 17:59 ` Eric Dumazet
2009-09-03 17:59 ` Eric Dumazet
2009-09-03 19:00 ` Pekka Enberg
2009-09-03 22:44 ` Christoph Lameter
2009-09-03 23:17 ` Paul E. McKenney
2009-09-04 15:42 ` Christoph Lameter
2009-09-04 20:43 ` Paul E. McKenney
2009-09-08 19:57 ` Christoph Lameter
2009-09-08 22:20 ` Paul E. McKenney
2009-09-08 22:41 ` Christoph Lameter
2009-09-08 22:59 ` Paul E. McKenney [this message]
2009-09-09 14:04 ` Christoph Lameter
2009-09-09 14:42 ` Paul E. McKenney
2009-09-09 14:53 ` Christoph Lameter
2009-09-09 15:09 ` Paul E. McKenney
2009-09-03 19:34 ` Pekka Enberg
2009-09-03 15:00 ` [PATCH] slub: fix slab_pad_check() and SLAB_DESTROY_BY_RCU Paul E. McKenney
2009-09-03 13:42 ` Paul E. McKenney
2009-09-03 13:42 ` Paul E. McKenney
2009-09-03 13:28 ` Zdenek Kabelac
2009-09-03 13:46 ` Eric Dumazet
2009-09-03 13:46 ` Eric Dumazet
2009-09-03 14:35 ` Zdenek Kabelac
2009-09-03 14:35 ` Zdenek Kabelac
2009-09-03 18:17 ` System freeze on reboot - general protection fault Paul E. McKenney
2009-09-03 18:17 ` Paul E. McKenney
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090908225937.GO6753@linux.vnet.ibm.com \
--to=paulmck@linux.vnet.ibm.com \
--cc=cl@linux-foundation.org \
--cc=eric.dumazet@gmail.com \
--cc=hawk@comx.dk \
--cc=holt@sgi.com \
--cc=kaber@trash.net \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=netfilter-devel@vger.kernel.org \
--cc=penberg@cs.helsinki.fi \
--cc=zdenek.kabelac@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.