Date: Tue, 23 Apr 2019 13:40:19 -0700 From: Dave Hansen <dave.hansen@...el.com> To: Kees Cook <keescook@...omium.org> Cc: Alexander Potapenko <glider@...gle.com>, Andrew Morton <akpm@...ux-foundation.org>, Christoph Lameter <cl@...ux.com>, Dmitry Vyukov <dvyukov@...gle.com>, Laura Abbott <labbott@...hat.com>, Linux-MM <linux-mm@...ck.org>, linux-security-module <linux-security-module@...r.kernel.org>, Kernel Hardening <kernel-hardening@...ts.openwall.com> Subject: Re: [PATCH 2/3] gfp: mm: introduce __GFP_NOINIT On 4/23/19 12:14 PM, Kees Cook wrote: >> These sl*b ones seem like a bad idea. We already have rules that sl*b >> allocations must be initialized by callers, and we have reasonably >> frequent bugs where the rules are broken. > > Hm? No, this is saying that the page allocator can skip the auto-init > because the slab internals will be doing it later. Ahhh, got it. I missed all the fun in patch 1.
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