linux-kernel - Re: [PATCH mm-unstable] mm/kasan: use SLAB_NO_MERGE flag instead of an empty constructor

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Message-ID: <CAG_fn=W0Vcv7imazajmWzQQVNNb-6kKQQuX+3zGch9QvBnNitg@mail.gmail.com>
Date: Tue, 18 Mar 2025 10:56:37 +0100
From: Alexander Potapenko <glider@...gle.com>
To: Harry Yoo <harry.yoo@...cle.com>
Cc: Andrey Ryabinin <ryabinin.a.a@...il.com>, Andrey Konovalov <andreyknvl@...il.com>, 
	Dmitry Vyukov <dvyukov@...gle.com>, Vincenzo Frascino <vincenzo.frascino@....com>, 
	Andrew Morton <akpm@...ux-foundation.org>, kasan-dev@...glegroups.com, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH mm-unstable] mm/kasan: use SLAB_NO_MERGE flag instead of
 an empty constructor

On Tue, Mar 18, 2025 at 2:59 AM Harry Yoo <harry.yoo@...cle.com> wrote:
>
> Use SLAB_NO_MERGE flag to prevent merging instead of providing an
> empty constructor. Using an empty constructor in this manner is an abuse
> of slab interface.

This code predated the existence of SLAB_NO_MERGE. Thanks for fixing this!

>
> Signed-off-by: Harry Yoo <harry.yoo@...cle.com>

Reviewed-by: Alexander Potapenko <glider@...gle.com>