linux-kernel - Re: [PATCH v4] slab: Ignore internal flags in cache creation

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Date:	Tue, 16 Oct 2012 12:52:49 +0400
From:	Glauber Costa <glommer@...allels.com>
To:	David Rientjes <rientjes@...gle.com>
CC:	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...helsinki.fi>
Subject: Re: [PATCH v4] slab: Ignore internal flags in cache creation

On 10/16/2012 04:47 AM, David Rientjes wrote:
> On Mon, 8 Oct 2012, David Rientjes wrote:
> 
>>> diff --git a/mm/slab.h b/mm/slab.h
>>> index 7deeb44..4c35c17 100644
>>> --- a/mm/slab.h
>>> +++ b/mm/slab.h
>>> @@ -45,6 +45,31 @@ static inline struct kmem_cache *__kmem_cache_alias(const char *name, size_t siz
>>>  #endif
>>>  
>>>  
>>> +/* Legal flag mask for kmem_cache_create(), for various configurations */
>>> +#define SLAB_CORE_FLAGS (SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA | SLAB_PANIC | \
>>> +			 SLAB_DESTROY_BY_RCU | SLAB_DEBUG_OBJECTS )
>>> +
>>> +#if defined(CONFIG_DEBUG_SLAB)
>>> +#define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER)
>>> +#elif defined(CONFIG_SLUB_DEBUG)
>>> +#define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \
>>> +			  SLAB_TRACE | SLAB_DEBUG_FREE)
>>> +#else
>>> +#define SLAB_DEBUG_FLAGS (0)
>>> +#endif
>>> +
>>> +#if defined(CONFIG_SLAB)
>>> +#define SLAB_CACHE_FLAGS (SLAB_MEMSPREAD | SLAB_NOLEAKTRACE | \
>>
>> s/SLAB_MEMSPREAD/SLAB_MEM_SPREAD/
>>
> 
> Did you have a v5 of this patch with the above fix?
> 
Yes, I sent it bundled in my kmemcg-slab series.

I can send it separately as well, no problem. (Or we can merge the
series!!! =p )

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