On Thursday, January 28, 2016 06:38:19 PM Laura Abbott wrote: > By default, page poisoning uses a poison value (0xaa) on free. If this > is changed to 0, the page is not only sanitized but zeroing on alloc > with __GFP_ZERO can be skipped as well. The tradeoff is that detecting > corruption from the poisoning is harder to detect. This feature also > cannot be used with hibernation since pages are not guaranteed to be > zeroed after hibernation. > > Credit to Grsecurity/PaX team for inspiring this work > > Signed-off-by: Laura Abbott <labb...@fedoraproject.org>
The hibernation disabling part is fine by me. Please feel free to add an ACK from me to this if that helps. Thanks, Rafael
