Messages in this thread | | | Date | Tue, 16 Feb 2016 10:33:42 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [PATCHv2 4/4] slub: Relax CMPXCHG consistency restrictions |
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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 <cl@linux.com>
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