linux-kernel - Re: Large stack usage in fs code (especially for PPC64)

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Message-ID: <alpine.DEB.1.10.0811172128380.26123@gandalf.stny.rr.com>
Date:	Mon, 17 Nov 2008 21:29:20 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	LKML <linux-kernel@...r.kernel.org>
cc:	Paul Mackerras <paulus@...ba.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linuxppc-dev@...abs.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: Large stack usage in fs code (especially for PPC64)


On Mon, 17 Nov 2008, Steven Rostedt wrote:
> 
> On Mon, 17 Nov 2008, Steven Rostedt wrote:
> > 
> > Note, I was using a default config that had CONFIG_IRQSTACKS off and
> > CONFIG_PPC_64K_PAGES on.
> 
> Here's my stack after boot up with CONFIG_IRQSTACKS set. Seems that 
> softirqs still use the same stack as the process.
> 

By-the-way, my box has been running stable ever since I switched to 
CONFIG_IRQSTACKS.

-- Steve

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