Messages in this thread | | | Date | Sun, 8 Nov 2009 11:00:29 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 07/10] bootmem: add free_bootmem_late |
| |
* FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> wrote:
> On Wed, 28 Oct 2009 08:48:32 +0100 > Ingo Molnar <mingo@elte.hu> wrote: > > > > > * FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> wrote: > > > > > From: Chris Wright <chrisw@sous-sol.org> > > > > > > Add a new function for freeing bootmem after the bootmem allocator has > > > been released and the unreserved pages given to the page allocator. > > > This allows us to reserve bootmem and then release it if we later > > > discover it was not needed. > > > > > > Reviewed-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> > > > Signed-off-by: Chris Wright <chrisw@sous-sol.org> > > > --- > > > include/linux/bootmem.h | 1 + > > > mm/bootmem.c | 43 ++++++++++++++++++++++++++++++++++++++----- > > > 2 files changed, 39 insertions(+), 5 deletions(-) > > > > Hm, we are now further complicating the bootmem model. > > Yeah, agreed. But reorganizing the allocator during boot is not easy. > I'll investigate it later on but VT-d people want to fix this IOMMU > issue now. Can we accept this for now?
Since the patchset weighs heavily towards the iommu and x86 side i can do that in tip:core/iommu tree, if there's an Acked-by for this bootmem.c patch from at least one of these gents:
Johannes Weiner <hannes@cmpxchg.org> Pekka Enberg <penberg@cs.helsinki.fi> Andrew Morton <akpm@linux-foundation.org> Tejun Heo <tj@kernel.org>
Thanks,
Ingo
| |