linux-kernel - Re: [PATCH 1/3] Slab infrastructure for array operations

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Date:	Wed, 11 Feb 2015 16:04:31 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	David Rientjes <rientjes@...gle.com>
cc:	akpm@...uxfoundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, penberg@...nel.org, iamjoonsoo@....com,
	Jesper Dangaard Brouer <brouer@...hat.com>
Subject: Re: [PATCH 1/3] Slab infrastructure for array operations

On Wed, 11 Feb 2015, David Rientjes wrote:

> > >
> > > Hmm, not sure why the allocator would be required to do the
> > > EXPORT_SYMBOL() if it defines kmem_cache_free_array() itself.  This
> >
> > Keeping the EXPORT with the definition is the custom as far as I could
> > tell.
> >
>
> If you do dummy functions for all the allocators, then this should be as
> simple as unconditionally defining kmem_cache_free_array() and doing
> EXPORT_SYMBOL() here and then using your current implementation of
> __kmem_cache_free_array() for mm/slab.c.

That works if I put an EXPORT_SYMBOL in mm/slab_common.c and define the
function in mm/slub.c?


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