From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
linux-kernel <linux-kernel@vger.kernel.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: Regression: ppc powerstation boot hang caused by slab initialisation code
Date: Tue, 23 Jun 2009 09:51:07 +1000 [thread overview]
Message-ID: <1245714667.4017.8.camel@pasglop> (raw)
In-Reply-To: <1245712892.17035.39.camel@mulgrave.site>
On Mon, 2009-06-22 at 18:21 -0500, James Bottomley wrote:
> On Tue, 2009-06-23 at 08:51 +1000, Benjamin Herrenschmidt wrote:
> > Ah, I notice you use SLAB, that's the second report of hangs with it due to
> > the changes. You can try SLUB while I'm looking, might help.
>
> Yes, switching to slub fixes it ... although given that the identified
> problem commit is a slab one, that's understandable ...
No, the commit actually moves all SL*B allocators earlier during boot.
Basically, the aim is to remove the need for alloc_bootmem in 90% of
boot code by making SL*B available much earlier.
Cheers,
Ben.
next prev parent reply other threads:[~2009-06-22 23:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-22 22:10 Regression: ppc powerstation boot hang caused by slab initialisation code James Bottomley
2009-06-22 22:27 ` Benjamin Herrenschmidt
2009-06-22 22:40 ` James Bottomley
2009-06-22 22:51 ` Benjamin Herrenschmidt
2009-06-22 23:21 ` James Bottomley
2009-06-22 23:51 ` Benjamin Herrenschmidt [this message]
2009-06-23 0:32 ` Benjamin Herrenschmidt
2009-06-23 1:10 ` James Bottomley
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=1245714667.4017.8.camel@pasglop \
--to=benh@kernel.crashing.org \
--cc=James.Bottomley@HansenPartnership.com \
--cc=linux-kernel@vger.kernel.org \
--cc=penberg@cs.helsinki.fi \
--cc=rjw@sisk.pl \
/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.