Re: [PATCH v2 5/5] mm, page_poison: remove CONFIG_PAGE_POISONING_ZERO

2020-11-11 Thread David Hildenbrand
On 03.11.20 16:22, Vlastimil Babka wrote: CONFIG_PAGE_POISONING_ZERO uses the zero pattern instead of 0xAA. It was introduced by commit 1414c7f4f7d7 ("mm/page_poisoning.c: allow for zero poisoning"), noting that using zeroes retains the benefit of sanitizing content of freed pages, with the benef

[PATCH v2 5/5] mm, page_poison: remove CONFIG_PAGE_POISONING_ZERO

2020-11-03 Thread Vlastimil Babka
CONFIG_PAGE_POISONING_ZERO uses the zero pattern instead of 0xAA. It was introduced by commit 1414c7f4f7d7 ("mm/page_poisoning.c: allow for zero poisoning"), noting that using zeroes retains the benefit of sanitizing content of freed pages, with the benefit of not having to zero them again on alloc