linux-kernel - Re: linux-next: build failure after merge of the slab tree

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Date: Wed, 1 May 2024 17:31:27 +0200
From: Vlastimil Babka <vbabka@...e.cz>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Chengming Zhou <chengming.zhou@...ux.dev>,
 Nicolas Bouchinet <nicolas.bouchinet@....gouv.fr>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the slab tree

On 5/1/24 7:28 AM, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the slab tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> mm/slub.c: In function 'slab_free_hook':
> mm/slub.c:2187:25: error: implicit declaration of function 'get_info_end' [-Werror=implicit-function-declaration]
>  2187 |                 inuse = get_info_end(s);
>       |                         ^~~~~~~~~~~~
> mm/slub.c: In function 'maybe_wipe_obj_freeptr':
> mm/slub.c:3872:14: error: implicit declaration of function 'freeptr_outside_object' [-Werror=implicit-function-declaration]
>  3872 |             !freeptr_outside_object(s))
>       |              ^~~~~~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors
> 
> Caused by commit
> 
>   7f39e23ed8dd ("mm/slub: avoid zeroing outside-object freepointer for single free")

Sorry, should be fixed now. Thanks.

> $ grep CONFIG_SLUB_DEBUG .config
> $
> 
> I have used the slab tree from next-20240430 for today.
>