Messages in this thread | | | Date | Wed, 31 May 2017 12:10:24 +1000 | From | Balbir Singh <> | Subject | Re: [HMM 02/15] mm/hmm: heterogeneous memory management (HMM for short) v4 |
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On Wed, 24 May 2017 13:20:11 -0400 Jérôme Glisse <jglisse@redhat.com> wrote:
> HMM provides 3 separate types of functionality: > - Mirroring: synchronize CPU page table and device page table > - Device memory: allocating struct page for device memory > - Migration: migrating regular memory to device memory > > This patch introduces some common helpers and definitions to all of > those 3 functionality. > > Changed since v3: > - Unconditionaly build hmm.c for static keys > Changed since v2: > - s/device unaddressable/device private > Changed since v1: > - Kconfig logic (depend on x86-64 and use ARCH_HAS pattern) > > Signed-off-by: Jérôme Glisse <jglisse@redhat.com> > Signed-off-by: Evgeny Baskakov <ebaskakov@nvidia.com> > Signed-off-by: John Hubbard <jhubbard@nvidia.com> > Signed-off-by: Mark Hairgrove <mhairgrove@nvidia.com> > Signed-off-by: Sherry Cheung <SCheung@nvidia.com> > Signed-off-by: Subhash Gutti <sgutti@nvidia.com> > ---
It would be nice to explain a bit of how hmm_pfn_t bits work with pfn and find out what we need from an arch to support HMM.
Balbir Singh.
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