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Message-ID: <alpine.DEB.1.10.0906120941550.15809@gentwo.org>
Date:	Fri, 12 Jun 2009 09:44:04 -0400 (EDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Pekka Enberg <penberg@...helsinki.fi>
cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>, mingo@...e.hu,
	akpm@...ux-foundation.org, npiggin@...e.de
Subject: Re: slab: setup allocators earlier in the boot sequence

On Fri, 12 Jun 2009, Pekka Enberg wrote:

> Yes, you're obviously right. I overlooked the fact that arch code have
> their own special slab_is_available() heuristics (yikes!).

Thats another area where we would need some cleanup in the future. The
slab_is_available() has become a check for the end of the use of bootmem.

What would be clearer is to have something like

allocator_bootstrap_complete()

to tell us that all memory allocators are available (slab, page, percpu,
vmalloc);
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