** Tags added: kernel

** Information type changed from Proprietary to Public

** Changed in: intel
   Importance: Undecided => Medium

** Changed in: intel
       Status: New => Triaged

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: New => Triaged

** Also affects: linux (Ubuntu Bionic)
   Importance: Medium
       Status: Triaged

** Changed in: linux (Ubuntu Bionic)
     Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)

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  [Feature] Crystal Ridge-Restrict DAX to configurations with struct

Status in intel:
Status in linux package in Ubuntu:
Status in linux source package in Bionic:

Bug description:

  Several things break in surprising ways without the
  "memorypageallocation" property. It's better to assume that DAX is
  broken/unavailable in that configuration rather than try to explain
  all the corner cases where operations with a DAX mapping will fail.

  Disabling DAX support altogether if the pages are not allocated, DAX
  is mostly unusable without pages.

  Commit id list:
  24f3478d664b 569d0365f571 b4b5798cea8f

  Target Kernel: 4.16

  Target Release: 18.04

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