Re: slab: setup allocators earlier in the boot sequence

[Pekka Enberg]

Hi Ben,

On Fri, 2009-06-12 at 17:39 +1000, Benjamin Herrenschmidt wrote:
> For example, slab_is_available() didn't always exist, and so in the
> early days on powerpc, we used a mem_init_done global that is set form
> mem_init() (not perfect but works in practice). And we still have code
> using that to do the test.

Looking at powerpc arch code, can we get rid of the *_maybe_bootmem()
functions now? Or is slab initialization too late still? FWIW, I think
one simple fix on PPC is to just clear __GFP_NOWAIT in those functions
(all of them seem to be using GFP_KERNEL which is wrong during boot).

			Pekka

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