From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Simon Jeons <simon.jeons@gmail.com>
Cc: Zhouping Liu <zliu@redhat.com>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
caiqian <caiqian@redhat.com>, Caspar Zhang <czhang@redhat.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [BUG][s390x] mm: system crashed
Date: Tue, 16 Apr 2013 10:03:40 +0200 [thread overview]
Message-ID: <20130416080340.GA23856@osiris> (raw)
In-Reply-To: <516D044B.3040300@gmail.com>
On Tue, Apr 16, 2013 at 03:56:59PM +0800, Simon Jeons wrote:
> Hi Heiko,
> >If you have some time, could you please repeat your test with the kernel
> >command line option " user_mode=home "?
>
> What's the meaning of this command line? I can't find it in
> Documentation/kernel-parameters.txt/
It switches the architectural address space where kernel and user space
reside in.
We only recently switched the default address space for user space from
home space to primary space, since that's needed for kvm.
The user space runs in home space mode will be removed in the future; we
keep it currently as fallback, just in case something breaks.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2013-04-16 8:03 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <156480624.266924.1365995933797.JavaMail.root@redhat.com>
2013-04-15 3:28 ` [BUG][s390x] mm: system crashed Zhouping Liu
2013-04-15 5:56 ` Heiko Carstens
2013-04-15 6:16 ` Zhouping Liu
2013-04-16 7:50 ` Heiko Carstens
2013-04-16 7:56 ` Simon Jeons
2013-04-16 8:03 ` Heiko Carstens [this message]
2013-04-16 8:26 ` Zhouping Liu
2013-04-18 6:27 ` Zhouping Liu
2013-04-18 7:13 ` Heiko Carstens
2013-04-24 10:42 ` [v3.9-rc8]: kernel BUG at mm/memcontrol.c:3994! (was: Re: [BUG][s390x] mm: system crashed) Heiko Carstens
2013-04-24 13:18 ` Michal Hocko
2013-04-24 15:20 ` Johannes Weiner
2013-04-25 3:50 ` Hugh Dickins
2013-04-30 17:27 ` Johannes Weiner
2013-05-01 15:28 ` Hugh Dickins
2013-05-01 19:10 ` Johannes Weiner
2013-05-02 4:57 ` Hugh Dickins
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=20130416080340.GA23856@osiris \
--to=heiko.carstens@de.ibm.com \
--cc=caiqian@redhat.com \
--cc=czhang@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=schwidefsky@de.ibm.com \
--cc=simon.jeons@gmail.com \
--cc=zliu@redhat.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).