** Tags added: cosmic kernel-da-key
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Also affects: linux (Ubuntu Cosmic)
Importance: Medium
Status: Confirmed
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https://bugs.launchpad.net/bugs/1783651
Title:
Please enable CONFIG_PAGE_POISONING
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Cosmic:
Confirmed
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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