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Re: [RFC PATCH 0/7] 'struct page' driver for persistent memory

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Hi Dan,

based on the issues with the physiscal address S/G lists I suspect
we will need this page hotplugging code.  Any chance we could side
step the issue of storing the page structs on the actual pmem for
the first round so that we can an initial version into 4.3?  I'll
help with the max_pfn audit and testing with my WIP block driver
that does I/O from pmem.
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[RFC PATCH 0/7] 'struct page' driver for persistent memory Dan Williams <dan.j.williams@intel.com> - 2015-08-13 06:00 +0200
  [RFC PATCH 2/7] x86, mm: introduce struct vmem_altmap Dan Williams <dan.j.williams@intel.com> - 2015-08-13 06:00 +0200
  [RFC PATCH 5/7] libnvdimm,  e820: make CONFIG_X86_PMEM_LEGACY a tristate option Dan Williams <dan.j.williams@intel.com> - 2015-08-13 06:00 +0200
    Re: [RFC PATCH 5/7] libnvdimm, e820: make CONFIG_X86_PMEM_LEGACY a  tristate option Christoph Hellwig <hch@lst.de> - 2015-08-15 11:10 +0200
      Re: [RFC PATCH 5/7] libnvdimm, e820: make CONFIG_X86_PMEM_LEGACY a  tristate option Dan Williams <dan.j.williams@intel.com> - 2015-08-15 17:30 +0200
        Re: [RFC PATCH 5/7] libnvdimm, e820: make CONFIG_X86_PMEM_LEGACY a  tristate option Christoph Hellwig <hch@lst.de> - 2015-08-15 18:00 +0200
          Re: [RFC PATCH 5/7] libnvdimm, e820: make CONFIG_X86_PMEM_LEGACY a  tristate option Dan Williams <dan.j.williams@intel.com> - 2015-08-15 18:10 +0200
            Re: [RFC PATCH 5/7] libnvdimm, e820: make CONFIG_X86_PMEM_LEGACY a  tristate option Christoph Hellwig <hch@lst.de> - 2015-08-17 17:10 +0200
              Re: [RFC PATCH 5/7] libnvdimm, e820: make CONFIG_X86_PMEM_LEGACY a  tristate option Dan Williams <dan.j.williams@intel.com> - 2015-08-17 17:50 +0200
  [RFC PATCH 3/7] x86, mm: arch_add_dev_memory() Dan Williams <dan.j.williams@intel.com> - 2015-08-13 06:00 +0200
  [RFC PATCH 7/7] libnvdimm, pmem: 'struct page' for pmem Dan Williams <dan.j.williams@intel.com> - 2015-08-13 06:00 +0200
  [RFC PATCH 4/7] mm: register_dev_memmap() Dan Williams <dan.j.williams@intel.com> - 2015-08-13 06:00 +0200
    Re: [RFC PATCH 4/7] mm: register_dev_memmap() Christoph Hellwig <hch@lst.de> - 2015-08-15 11:10 +0200
  [RFC PATCH 6/7] libnvdimm,  pfn: 'struct page' provider infrastructure Dan Williams <dan.j.williams@intel.com> - 2015-08-13 06:00 +0200
  Re: [RFC PATCH 0/7] 'struct page' driver for persistent memory Christoph Hellwig <hch@lst.de> - 2015-08-15 11:10 +0200

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