Subject: Re: slab: setup allocators earlier in the boot sequence
From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Nick Piggin <npiggin@suse.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Linux Kernel list <linux-kernel@vger.kernel.org>,
       linux-mm <linux-mm@kvack.org>, mingo@elte.hu, cl@linux-foundation.org,
       akpm@linux-foundation.org
In-Reply-To: <20090612080236.GB24044@wotan.suse.de>
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Date: Fri, 12 Jun 2009 11:04:39 +0300
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Hi Nick,

On Fri, 2009-06-12 at 10:02 +0200, Nick Piggin wrote:
> Fair enough, but this can be done right down in the synchronous
> reclaim path in the page allocator. This will catch more cases
> of code using the page allocator directly, and should be not
> as hot as the slab allocator.

So you want to push the local_irq_enable() to the page allocator too? We
can certainly do that but I think we ought to wait for Andrew to merge
Mel's patches to mainline first, OK?

			Pekka

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