linux-kernel - Re: Major slab mem leak with 2.6.17 / GCC 4.1.1

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Message-Id: <1160976752.6477.3.camel@Homer.simpson.net>
Date:	Mon, 16 Oct 2006 05:32:32 +0000
From:	Mike Galbraith <efault@....de>
To:	Catalin Marinas <catalin.marinas@...il.com>
Cc:	Pekka Enberg <penberg@...helsinki.fi>,
	"nmeyers@...tmark.com" <nmeyers@...tmark.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Major slab mem leak with 2.6.17 / GCC 4.1.1

On Sun, 2006-10-15 at 07:59 +0000, Mike Galbraith wrote:

> 2.6.19-rc1 + patch-2.6.19-rc1-kmemleak-0.11 compiles fine now (unless
> CONFIG_DEBUG_KEEP_INIT is set), boots and runs too.. but axle grease
> runs a lot faster ;-)  I'll try a stripped down config sometime.

My roughly three orders of magnitude (amusing to watch:) boot slowdown
turned out to be stack unwinding.  With CONFIG_UNWIND_INFO disabled,
2.6.19-rc2 + patch-2.6.19-rc1-kmemleak-0.11 runs just fine.

	-Mike

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