linux-kernel - Re: [PATCH 3/5] SLUB: Replace __builtin_return_address(0) with _RET_IP

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Date:	Tue, 19 Aug 2008 13:14:01 -0500
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
CC:	penberg@...helsinki.fi, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, rdunlap@...otime.net, mpm@...enic.com,
	tglx@...utronix.de, rostedt@...dmis.org,
	mathieu.desnoyers@...ymtl.ca, tzanussi@...il.com
Subject: Re: [PATCH 3/5] SLUB: Replace __builtin_return_address(0) with _RET_IP_.

Eduard - Gabriel Munteanu wrote:

>  void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags)
>  {
> -	return slab_alloc(s, gfpflags, -1, __builtin_return_address(0));
> +	return slab_alloc(s, gfpflags, -1, (void *) _RET_IP_);
>  }

Could you get rid of the casts by changing the type of parameter of slab_alloc()?

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