From: Christoph Hellwig <hch@infradead.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: Large stack usage in fs code (especially for PPC64)
Date: Tue, 18 Nov 2008 04:53:05 -0500 [thread overview]
Message-ID: <20081118095305.GA24119@infradead.org> (raw)
In-Reply-To: <1226963005.7178.248.camel@pasglop>
On Tue, Nov 18, 2008 at 10:03:25AM +1100, Benjamin Herrenschmidt wrote:
> On Mon, 2008-11-17 at 15:34 -0500, Steven Rostedt wrote:
> > Note, I was using a default config that had CONFIG_IRQSTACKS off and
> > CONFIG_PPC_64K_PAGES on.
>
> For one, we definitely need to turn IRQSTACKS on by default ... In fact,
> I'm pondering just removing the option.
It shouldn't be a user-visible option. It shouldn't on x86 either, but
there it always gets into the ideological 4k stacks flameware so people
usually gave up after a while instead of doing the sensibke 8k +
irqstacks by default, 4k as an option..
next prev parent reply other threads:[~2008-11-18 9:53 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-17 20:34 Large stack usage in fs code (especially for PPC64) Steven Rostedt
2008-11-17 20:59 ` Steven Rostedt
2008-11-17 21:18 ` Linus Torvalds
2008-11-17 21:25 ` Pekka Enberg
2008-11-18 0:54 ` Steven Rostedt
2008-11-18 1:05 ` Paul Mackerras
2008-11-18 1:41 ` Steven Rostedt
2008-11-18 2:01 ` Steven Rostedt
2008-11-17 22:16 ` Paul Mackerras
2008-11-17 23:30 ` Steven Rostedt
2008-11-17 23:04 ` Benjamin Herrenschmidt
2008-11-18 2:29 ` Steven Rostedt
2008-11-18 2:36 ` Paul Mackerras
2008-11-18 5:40 ` David Miller
2008-11-17 21:08 ` Andrew Morton
2008-11-17 21:23 ` Linus Torvalds
2008-11-17 21:31 ` Andrew Morton
2008-11-17 21:42 ` Linus Torvalds
2008-11-17 23:17 ` Benjamin Herrenschmidt
2008-11-17 21:09 ` Linus Torvalds
2008-11-17 22:53 ` Paul Mackerras
2008-11-18 10:07 ` Nick Piggin
2008-11-17 23:13 ` Benjamin Herrenschmidt
2008-11-17 23:22 ` Josh Boyer
2008-11-17 23:28 ` Linus Torvalds
2008-11-18 0:11 ` Paul Mackerras
2008-11-18 2:08 ` Linus Torvalds
2008-11-18 10:24 ` Nick Piggin
2008-11-18 11:44 ` Paul Mackerras
2008-11-18 16:02 ` Linus Torvalds
2008-11-18 7:25 ` Benjamin Herrenschmidt
2008-11-17 23:03 ` Benjamin Herrenschmidt
2008-11-18 9:53 ` Christoph Hellwig [this message]
2008-11-18 10:37 ` Ingo Molnar
2008-11-17 23:30 ` Benjamin Herrenschmidt
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=20081118095305.GA24119@infradead.org \
--to=hch@infradead.org \
--cc=akpm@linux-foundation.org \
--cc=benh@kernel.crashing.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@ozlabs.org \
--cc=mingo@elte.hu \
--cc=paulus@samba.org \
--cc=rostedt@goodmis.org \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.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;
as well as URLs for NNTP newsgroup(s).