From: Don Zickus <dzickus@redhat.com>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>,
Eric Dumazet <eric.dumazet@gmail.com>,
Don Zickus <dzickus@redhat.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [PATCH] watchdog: NUMA affine kthreads
Date: Wed, 3 Aug 2011 13:59:04 -0400 [thread overview]
Message-ID: <1312394344-18815-1-git-send-email-dzickus@redhat.com> (raw)
From: Eric Dumazet <eric.dumazet@gmail.com>
watchdog kthreads can use kthread_create_on_node() to NUMA affine their
stack and task_struct.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Don Zickus <dzickus@redhat.com>
CC: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Don Zickus <dzickus@redhat.com>
---
kernel/watchdog.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 36491cd..14cabcd 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -438,7 +438,8 @@ static int watchdog_enable(int cpu)
/* create the watchdog thread */
if (!p) {
- p = kthread_create(watchdog, (void *)(unsigned long)cpu, "watchdog/%d", cpu);
+ p = kthread_create_on_node(watchdog, NULL, cpu_to_node(cpu),
+ "watchdog/%d", cpu);
if (IS_ERR(p)) {
printk(KERN_ERR "softlockup watchdog for %i failed\n", cpu);
if (!err) {
--
1.7.6
next reply other threads:[~2011-08-03 18:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-03 17:59 Don Zickus [this message]
2011-08-14 15:55 ` [tip:perf/core] watchdog: Make the kthreads NUMA affine tip-bot for Eric Dumazet
-- strict thread matches above, loose matches on Subject: below --
2011-07-28 16:44 [PATCH] watchdog: NUMA affine kthreads Eric Dumazet
2011-07-28 20:05 ` Don Zickus
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=1312394344-18815-1-git-send-email-dzickus@redhat.com \
--to=dzickus@redhat.com \
--cc=a.p.zijlstra@chello.nl \
--cc=akpm@linux-foundation.org \
--cc=eric.dumazet@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
/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