From: Andrew Morton <akpm@osdl.org>
To: Christoph Lameter <christoph@lameter.com>
Cc: shai@scalex86.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Per cpu irq stat
Date: Mon, 14 Mar 2005 22:48:03 -0800 [thread overview]
Message-ID: <20050314224803.37cd21fe.akpm@osdl.org> (raw)
In-Reply-To: <Pine.LNX.4.58.0503142230050.11651@server.graphe.net>
Christoph Lameter <christoph@lameter.com> wrote:
>
> The definition of the irq_stat as an array means that the individual
> elements of the irq_stat array are located on one NUMA node requiring
> internode traffic to access irq_stat from other nodes. This patch makes
> irq_stat a per_cpu variable which allows most accesses to be local.
OK...
The wordwrapping monster got at your patch, but I fixed it up.
> +DEFINE_PER_CPU(irq_cpustat_t, irq_stat)
> ____cacheline_maxaligned_in_smp;
Why is this marked ____cacheline_maxaligned_in_smp?
next prev parent reply other threads:[~2005-03-15 6:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-15 6:32 Christoph Lameter
2005-03-15 6:48 ` Andrew Morton [this message]
2005-03-15 7:36 ` Christoph Lameter
2005-03-15 9:14 ` Christoph Hellwig
2005-03-15 16:51 ` Christoph Lameter
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=20050314224803.37cd21fe.akpm@osdl.org \
--to=akpm@osdl.org \
--cc=christoph@lameter.com \
--cc=linux-kernel@vger.kernel.org \
--cc=shai@scalex86.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®