Re: [PATCH 07/10] bootmem: add free_bootmem_late
From: FUJITA Tomonori
Date: Thu Nov 05 2009 - 20:52:12 EST
On Wed, 28 Oct 2009 08:48:32 +0100
Ingo Molnar <mingo@xxxxxxx> wrote:
> * FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> wrote:
> > From: Chris Wright <chrisw@xxxxxxxxxxxx>
> > 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@xxxxxxxxxxxxx>
> > Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>
> > ---
> > 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?
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