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

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Message-ID: <alpine.DEB.2.00.1210151747290.31712@chino.kir.corp.google.com>
Date:	Mon, 15 Oct 2012 17:47:41 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Glauber Costa <glommer@...allels.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 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?
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