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Message-ID: <202407091327.AEF6C020D@keescook>
Date: Tue, 9 Jul 2024 13:28:48 -0700
From: Kees Cook <kees@...nel.org>
To: "Christoph Lameter (Ampere)" <cl@...two.org>
Cc: Vlastimil Babka <vbabka@...e.cz>, Jann Horn <jannh@...gle.com>,
Tony Luck <tony.luck@...el.com>,
Nick Desaulniers <ndesaulniers@...gle.com>,
Miguel Ojeda <ojeda@...nel.org>, Marco Elver <elver@...gle.com>,
Nathan Chancellor <nathan@...nel.org>, Hao Luo <haoluo@...gle.com>,
Przemek Kitszel <przemyslaw.kitszel@...el.com>,
Pekka Enberg <penberg@...nel.org>,
David Rientjes <rientjes@...gle.com>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
Roman Gushchin <roman.gushchin@...ux.dev>,
Hyeonggon Yoo <42.hyeyoo@...il.com>,
"Guilherme G. Piccoli" <gpiccoli@...lia.com>,
Mark Rutland <mark.rutland@....com>,
Jakub Kicinski <kuba@...nel.org>, Petr Pavlu <petr.pavlu@...e.com>,
Alexander Lobakin <aleksander.lobakin@...el.com>,
Tony Ambardar <tony.ambardar@...il.com>,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
linux-hardening@...r.kernel.org
Subject: Re: [RFC][PATCH 0/4] slab: Allow for type introspection during
allocation
On Tue, Jul 09, 2024 at 10:26:32AM -0700, Christoph Lameter (Ampere) wrote:
> On Mon, 8 Jul 2024, Kees Cook wrote:
>
> >
> > obj = kmalloc(obj, gfp);
>
> Could we avoid repeating "obj" in this pattern?
>
> F.e.
>
> KMALLOC(obj, gfp);
This appears to be the common feedback, which is good! :) And we can
still have it return "obj" as well, so it could still be used in
"return" statements, etc. I will work up a new RFC...
--
Kees Cook
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