Messages in this thread | | | Date | Thu, 7 Dec 2017 14:15:27 -0600 (CST) | From | Christopher Lameter <> | Subject | Re: [PATCH] mm/slab: Do not hash pointers when debugging slab |
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On Thu, 7 Dec 2017, Kees Cook wrote:
> > These SLAB config options are only used for testing so this is ok. > > Most systems use SLUB so I can't say how common CONFIG_DEBUG_SLAB is. > (Though, FWIW with SLUB, CONFIG_SLUB_DEBUG is very common.)
CONFIG_SLUB_DEBUG is on by default because it compiles into the kernel the runtime configurable debugging framework. It does not activate any debugging.
CONFIG_SLUB_DEBUG_ON is the equivalent to CONFIG_SLAB_DEBUG. The kernel will boot with debugging on without any extra kernel options with these.
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