Re: WARNING: CPU: 1 PID: 495 at mm/slab_common.c:69 kmem_cache_create+0x1a9/0x330()

From: James Bottomley
Date: Thu Jul 31 2014 - 09:02:30 EST

On Wed, 2014-07-30 at 19:59 +0200, Christoph Hellwig wrote:
> On Wed, Jul 30, 2014 at 12:22:11PM -0500, Mike Christie wrote:
> > Some drivers like qla2xxx do not set proc_name. I think if 2 drivers
> > like that are loaded then you will hit some other warns/bugs in the kmem
> > cache setup code right?
> Drivers have to opt into using their own caches by setting .cmd_size
> in the host template. We could enforce they set ->proc_name for them,
> but I'd rather keep the amount of sanity checks low unless there's a real
> need.

OK, so lets send this through normal merge window then we get time to
see if there's a problem before the backport to stable happens.


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