linux-kernel - Re: slab hang on boot

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Message-Id: <20070515172957.02d80d51.akpm@linux-foundation.org>
Date:	Tue, 15 May 2007 17:29:57 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	David Miller <davem@...emloft.net>
Cc:	clameter@....com, mroos@...ux.ee, sparclinux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: slab hang on boot

On Tue, 15 May 2007 17:14:47 -0700 (PDT)
David Miller <davem@...emloft.net> wrote:

> From: Andrew Morton <akpm@...ux-foundation.org>
> Date: Tue, 15 May 2007 16:56:36 -0700
> 
> > On Tue, 15 May 2007 16:45:22 -0700 (PDT)
> > Christoph Lameter <clameter@....com> wrote:
> > 
> > > KMALLOC_SHIFT_HIGH is not a constant but may be less than 25.
> > 
> > It darn well better be a compile-time constant.
> 
> Try to define a compile-time array size with it smarty
> pants :-)

confusedy pants, more like.

> That's what we did initially and it doesn't work.

This:

struct kmem_cache kmalloc_caches[KMALLOC_SHIFT_HIGH + 1] __cacheline_aligned;

is still there.


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