Re: [PATCH 07/10] bootmem: add free_bootmem_late

Pekka Enberg
2009-10-28T11:38:39Z

Hi Tejun,

On Wed, Oct 28, 2009 at 10:00 AM, Tejun Heo <tj@kernel.org> wrote:
> ISTR an attempt to initialize the kmalloc allocator much earlier
> during boot such that it can completely replace the bootmem allocator,
> which would nicely remove all the complications although it may
> require the kmalloc allocator to go through more complex boot
> strapping steps.  I didn't follow how that went.  Did it prove to be
> unworkable?

We're doing it before scheduler init now but I haven't put any effort
into moving it earlier than that yet. I don't see any fundamental
reason we can't do that but the practical problem is that we're going
to affect architecture specific boot code which is really hard to
test.

Pekka