Messages in this thread | | | Date | Mon, 27 Oct 2014 17:15:45 +0200 | From | Oded Gabbay <> | Subject | Re: [PATCH 1/2] mm: export find_extend_vma and handle_mm_fault for driver use |
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Sure, no problem
Oded
On 10/27/2014 05:13 PM, Joerg Roedel wrote:
Hi Oded,
can you please test these patches with the KFD driver and make sure nothing breaks for you? I really like this improvement and it would be great to send it upstream for v3.19.
Thanks,
Joerg
On Fri, Oct 24, 2014 at 12:34:30PM -0700, Jesse Barnes wrote:
> This lets drivers like the AMD IOMMUv2 driver handle faults a bit more > simply, rather than doing tricks with page refs and get_user_pages(). > > Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> > --- > mm/memory.c | 1 + > mm/mmap.c | 2 ++ > 2 files changed, 3 insertions(+) > > diff --git a/mm/memory.c b/mm/memory.c > index 1cc6bfb..969ff0c 100644 > --- a/mm/memory.c > +++ b/mm/memory.c > @@ -3378,6 +3378,7 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, > > return ret; > } > +EXPORT_SYMBOL_GPL(handle_mm_fault); > > #ifndef __PAGETABLE_PUD_FOLDED > /* > diff --git a/mm/mmap.c b/mm/mmap.c > index 7f85520..2ee7971 100644 > --- a/mm/mmap.c > +++ b/mm/mmap.c > @@ -2359,6 +2359,8 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr) > } > #endif > > +EXPORT_SYMBOL_GPL(find_extend_vma); > + > /* > * Ok - we have the memory areas we should free on the vma list, > * so release them, and do the vma updates. > -- > 1.9.1
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