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

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Date: Wed, 1 May 2024 15:28:46 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Vlastimil Babka <vbabka@...e.cz>
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: linux-next: build failure after merge of the slab tree

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")

$ grep CONFIG_SLUB_DEBUG .config
$

I have used the slab tree from next-20240430 for today.

-- 
Cheers,
Stephen Rothwell

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