linux-kernel - Re: [PATCH 11/20] mm/slab: consolidate includes in the internal mm/slab.h

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Message-ID: <202311132039.7CC758A@keescook>
Date:   Mon, 13 Nov 2023 20:41:32 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     David Rientjes <rientjes@...gle.com>,
        Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Hyeonggon Yoo <42.hyeyoo@...il.com>,
        Roman Gushchin <roman.gushchin@...ux.dev>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Alexander Potapenko <glider@...gle.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Marco Elver <elver@...gle.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Shakeel Butt <shakeelb@...gle.com>,
        Muchun Song <muchun.song@...ux.dev>,
        kasan-dev@...glegroups.com, cgroups@...r.kernel.org
Subject: Re: [PATCH 11/20] mm/slab: consolidate includes in the internal
 mm/slab.h

On Mon, Nov 13, 2023 at 08:13:52PM +0100, Vlastimil Babka wrote:
> The #include's are scattered at several places of the file, but it does
> not seem this is needed to prevent any include loops (anymore?) so
> consolidate them at the top. Also move the misplaced kmem_cache_init()
> declaration away from the top.
> 
> Signed-off-by: Vlastimil Babka <vbabka@...e.cz>
> ---
>  mm/slab.h | 28 ++++++++++++++--------------
>  1 file changed, 14 insertions(+), 14 deletions(-)
> 
> diff --git a/mm/slab.h b/mm/slab.h
> index 6e76216ac74e..c278f8b15251 100644
> --- a/mm/slab.h
> +++ b/mm/slab.h
> @@ -1,10 +1,22 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
>  #ifndef MM_SLAB_H
>  #define MM_SLAB_H
> +
> +#include <linux/reciprocal_div.h>
> +#include <linux/list_lru.h>
> +#include <linux/local_lock.h>
> +#include <linux/random.h>
> +#include <linux/kobject.h>
> +#include <linux/sched/mm.h>
> +#include <linux/memcontrol.h>
> +#include <linux/fault-inject.h>
> +#include <linux/kmemleak.h>
> +#include <linux/kfence.h>
> +#include <linux/kasan.h>

I've seen kernel code style in other places ask that includes be
organized alphabetically. Is the order here in this order for some
particular reason?

-- 
Kees Cook