Re: slab: setup allocators earlier in the boot sequence

Benjamin Herrenschmidt
2009-06-12T08:47:28Z

On Fri, 2009-06-12 at 11:17 +0300, Pekka Enberg wrote:
> 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).

I -think- we still use those in setup_arch() so we can't get rid of that
completely yet.

Cheers,
Ben.

> Pekka
>
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