Date: Tue, 22 Dec 2015 21:06:55 +0100 From: Mathias Krause <minipli@...glemail.com> To: Christoph Lameter <cl@...ux.com> Cc: Laura Abbott <laura@...bott.name>, kernel-hardening@...ts.openwall.com, Pekka Enberg <penberg@...nel.org>, David Rientjes <rientjes@...gle.com>, Joonsoo Kim <iamjoonsoo.kim@....com>, Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Kees Cook <keescook@...omium.org> Subject: Re: [RFC][PATCH 6/7] mm: Add Kconfig option for slab sanitization On 22 December 2015 at 21:01, Christoph Lameter <cl@...ux.com> wrote: > On Tue, 22 Dec 2015, Mathias Krause wrote: > >> How many systems, do you think, are running with enabled DEBUG_SLAB / >> SLUB_DEBUG in production? Not so many, I'd guess. And the ones running >> into issues probably just disable DEBUG_SLAB / SLUB_DEBUG. > > All systems run with SLUB_DEBUG in production. SLUB_DEBUG causes the code > for debugging to be compiled in. Then it can be enabled later with a > command line parameter. Indeed, I meant CONFIG_SLUB_DEBUG_ON, i.e. compiled in and enabled SLAB cache debugging including poisoning. Regards, Mathias
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