linux-kernel - Re: [PATCH] kmemtrace: SLAB hooks.

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Date:	Mon, 14 Jul 2008 11:32:25 -0500
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Pekka Enberg <penberg@...helsinki.fi>
CC:	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] kmemtrace: SLAB hooks.

Pekka Enberg wrote:
> Hi Eduard-Gabriel,
> 
> On Sat, 2008-07-12 at 22:04 +0300, Eduard - Gabriel Munteanu wrote:
>> This adds hooks for the SLAB allocator, to allow tracing with kmemtrace.
>>
>> Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
>> @@ -28,8 +29,20 @@ extern struct cache_sizes malloc_sizes[];
>>  void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
>>  void *__kmalloc(size_t size, gfp_t flags);
>>  
>> +#ifdef CONFIG_KMEMTRACE
>> +extern void *__kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags);
>> +#else
>> +static inline void *__kmem_cache_alloc(struct kmem_cache *cachep,
>> +				       gfp_t flags)
>> +{
>> +	return __kmem_cache_alloc(cachep, flags);
> 
> Looks as if the function calls itself recursively?
> 

Code not tested? Are you sure you configured for slab?

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