Re: [PATCH] mm/slub: Switch slub_debug kernel option to early_paramto avoid boot panic

From: Andreas Herrmann
Date: Wed Nov 06 2013 - 14:22:04 EST

On Wed, Nov 06, 2013 at 02:16:33PM -0500, Christoph Lameter wrote:
> On Wed, 6 Nov 2013, Andreas Herrmann wrote:
> > When I've used slub_debug kernel option (e.g.
> > "slub_debug=,skbuff_fclone_cache" or similar) on a debug session I've
> > seen a panic like:
> Hmmm.. That looks like its due to some slabs not having names
> during early boot. kmem_cache_flags is called with NULL as a parameter.
> Are you sure that this fixes the issue?


Sure, of course I've tested my patch as I required slub debugging.
Panic was gone and debugging of the selected slab enabled.

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