On Mon, 15 Feb 2016, Laura Abbott wrote: > When debug options are enabled, cmpxchg on the page is disabled. This is > because the page must be locked to ensure there are no false positives > when performing consistency checks. Some debug options such as poisoning > and red zoning only act on the object itself. There is no need to > protect other CPUs from modification on only the object. Allow cmpxchg > to happen with poisoning and red zoning are set on a slab.
Acked-by: Christoph Lameter <[email protected]>
