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While running an Ubuntu kernel (not a mainline or third-party kernel)
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apport-collect 1783651

and then change the status of the bug to 'Confirmed'.

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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

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

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https://bugs.launchpad.net/bugs/1783651

Title:
  Please enable CONFIG_PAGE_POISONING

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I'd like to be able to use page poisoning, but CONFIG_PAGE_POISONING
  is not enabled on Ubuntu. (This option itself has a near-zero
  performance impact since it must be combined with the boot option
  "page_poison=1" to actually enable the poisoning.)

  To make the poisoning (when enabled) less of an impact, I'd also like
  to see CONFIG_PAGE_POISONING_ZERO=y too, which means GFP_ZEROing can
  be skipped.

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