linux-next: build failure after merge of the mm tree

From: Stephen Rothwell
Date: Sun Oct 27 2024 - 19:36:54 EST


Hi all,

After merging the mm tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

mm/workingset.c: In function 'workingset_activation':
mm/workingset.c:598:38: error: implicit declaration of function 'folio_memcg_charged'; did you mean 'folio_memcg_check'? [-Wimplicit-function-declaration]
598 | if (mem_cgroup_disabled() || folio_memcg_charged(folio))
| ^~~~~~~~~~~~~~~~~~~
| folio_memcg_check

Caused by commit

b4fa93fbd1dc ("memcg: workingset: remove folio_memcg_rcu usage")

from the mm-unstable branch of the mm tree.

this build has

# CONFIG_MEMCG is not set

I have reverted that commit for today.

--
Cheers,
Stephen Rothwell

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