Public bug reported:

SRU Justification

[Impact]

CONFIG_CMA was inadvertently enabled during arm64 development. It should
be set the same as amd64.

[Test Case]

Check the config file from buildinfo for CONFIG_CMA=n

[Where things could go wrong]

Attempts to allocate large chunks of contiguous RAM could fail.

[Other Info]

SF: #00310705

** Affects: linux-azure (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-azure (Ubuntu Hirsute)
     Importance: Undecided
         Status: New

** Also affects: linux-azure (Ubuntu Hirsute)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1956762

Title:
  linux-azure: Set CONFIG_CMA=n for arm64

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