This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verification-needed-bionic' to 'verification-failed-
bionic'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-bionic

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

Title:
  Please enable CONFIG_PAGE_POISONING

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Cosmic:
  Fix Released

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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