linux-kernel - Re: [S+Q3 00/23] SLUB: The Unified slab allocator (V3)

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Message-ID: <alpine.DEB.2.00.1008171153490.21770@chino.kir.corp.google.com>
Date:	Tue, 17 Aug 2010 11:54:35 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Christoph Lameter <cl@...ux-foundation.org>
cc:	Pekka Enberg <penberg@...helsinki.fi>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Nick Piggin <npiggin@...nel.dk>,
	Tejun Heo <tj@...nel.org>
Subject: Re: [S+Q3 00/23] SLUB: The Unified slab allocator (V3)

On Tue, 17 Aug 2010, Christoph Lameter wrote:

> > I didn't know if that was a debugging patch for me or if you wanted to
> > push that as part of your series, I'm not sure if you actually need to
> > move it to kmem_cache_init() now that slub_state is protected by
> > slub_lock.  I'm not sure if we want to allocate DMA objects between
> > kmem_cache_init() and kmem_cache_init_late().
> 
> Drivers may allocate dma buffers during initialization.
> 

Ok, I moved the DMA cache creation from kmem_cache_init_late() to 
kmem_cache_init().  Note: the kasprintf() will need to use GFP_NOWAIT and 
not GFP_KERNEL now.
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